diff --git a/Firmware/sdk/CMakeLists.txt b/Firmware/sdk/CMakeLists.txt
index d8611bf..19b3d6c 100644
--- a/Firmware/sdk/CMakeLists.txt
+++ b/Firmware/sdk/CMakeLists.txt
@@ -4,7 +4,12 @@ project(sdk-top)
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED YES)
 
+if(NOT CMAKE_CROSSCOMPILING)
+    set(CBSDK_BACKEND_LIBRARY cbsdk_sfml)
+endif ()
+
 add_subdirectory(library)
+
 if (NOT CMAKE_CROSSCOMPILING)
     add_subdirectory(sfml-port)
     add_subdirectory(examples)
diff --git a/Firmware/sdk/examples/CMakeLists.txt b/Firmware/sdk/examples/CMakeLists.txt
index e69de29..8afdb7b 100644
--- a/Firmware/sdk/examples/CMakeLists.txt
+++ b/Firmware/sdk/examples/CMakeLists.txt
@@ -0,0 +1,34 @@
+cmake_minimum_required(VERSION 3.10)
+
+if (CMAKE_BUILD_TYPE STREQUAL "Debug")
+    #    if (NOT DEFINED SANITIZE)
+    #        set(SANITIZE YES)
+    #    endif ()
+endif ()
+
+if (SANITIZE STREQUAL "YES")
+    message(STATUS "Enabling sanitizers!")
+    add_compile_options(-Werror -O0 -Wall -Wextra -pedantic -Wno-unused-parameter -Wno-unused-variable
+            -Wno-error=unused-function
+            -Wshadow -Wformat=2 -Wfloat-equal -D_GLIBCXX_DEBUG -Wconversion)
+    add_compile_options(-fsanitize=address -fno-sanitize-recover)
+    add_link_options(-fsanitize=address -fno-sanitize-recover)
+endif ()
+
+if (CMAKE_BUILD_TYPE STREQUAL "Release")
+    set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+endif ()
+
+if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
+    add_compile_options(-O3)
+    add_link_options(-O3)
+endif ()
+
+add_executable(main src/main.cpp)
+
+set(CBSDK_BACKEND_INTERFACE cbsdk_sfml)
+
+#target_include_directories(main PRIVATE include)
+#target_include_directories(main PUBLIC include_public)
+target_link_libraries(main PRIVATE SFML::Graphics)
+target_link_libraries(main PUBLIC cbsdk)
\ No newline at end of file
diff --git a/Firmware/sdk/sfml-port/src/main.cpp b/Firmware/sdk/examples/src/main.cpp
similarity index 68%
rename from Firmware/sdk/sfml-port/src/main.cpp
rename to Firmware/sdk/examples/src/main.cpp
index ecae933..716b7a0 100644
--- a/Firmware/sdk/sfml-port/src/main.cpp
+++ b/Firmware/sdk/examples/src/main.cpp
@@ -13,40 +13,40 @@ int main() {
     EventLoop   loop;
     std::latch barrier{1};
 
-    SfmlSurface* surface_ptr;
+    SurfaceBase* surface_ptr;
     int         i = 0;
     std::thread loop_thread{[&] {
-        SfmlSurface surface(&loop);
+        SurfaceBase surface(&loop);
         surface_ptr = &surface;
 
         barrier.count_down();
 
-        surface.set_window<GridWindow<SfmlSurface, 2, 2>>();
+        surface.set_window<GridWindow<SurfaceBase, 2, 2>>();
 
-        GridWindow<SfmlSurface, 2, 2>* window =
-                static_cast<GridWindow<SfmlSurface, 2, 2>*>(surface.get_window());
-        window->set_window<TextWindow<SubSurface<SfmlSurface>, std::string>>(0, 0, &loop, "hello");
-        window->set_window<TextWindow<SubSurface<SfmlSurface>, std::string>>(0, 1, &loop, "hello1");
-        window->set_window<GridWindow<SubSurface<SfmlSurface>, 2, 2>>(1, 0);
-        GridWindow<SubSurface<SfmlSurface>, 2, 2>* window2 =
-                static_cast<GridWindow<SubSurface<SfmlSurface>, 2, 2>*>(
+        GridWindow<SurfaceBase, 2, 2>* window =
+                static_cast<GridWindow<SurfaceBase, 2, 2>*>(surface.get_window());
+        window->set_window<TextWindow<SubSurface<SurfaceBase>, std::string>>(0, 0, &loop, "hello");
+        window->set_window<TextWindow<SubSurface<SurfaceBase>, std::string>>(0, 1, &loop, "hello1");
+        window->set_window<GridWindow<SubSurface<SurfaceBase>, 2, 2>>(1, 0);
+        GridWindow<SubSurface<SurfaceBase>, 2, 2>* window2 =
+                static_cast<GridWindow<SubSurface<SurfaceBase>, 2, 2>*>(
                         window->get_subsurface(1, 0).get_window());
-        window->set_window<TextWindow<SubSurface<SfmlSurface>, std::string>>(1, 1, &loop, "hello3");
+        window->set_window<TextWindow<SubSurface<SurfaceBase>, std::string>>(1, 1, &loop, "hello3");
 
-        window2->set_window<TextWindow<SubSurface<SfmlSurface>, std::string>>(
+        window2->set_window<TextWindow<SubSurface<SurfaceBase>, std::string>>(
                 0, 0, &loop, "hello2");
-        window2->set_window<TextWindow<SubSurface<SfmlSurface>, std::string>>(
+        window2->set_window<TextWindow<SubSurface<SurfaceBase>, std::string>>(
                 0, 1, &loop, "hello4");
-        window2->set_window<TextWindow<SubSurface<SfmlSurface>, std::string>>(
+        window2->set_window<TextWindow<SubSurface<SurfaceBase>, std::string>>(
                 1, 0, &loop, "hello5");
-        window2->set_window<TextWindow<SubSurface<SfmlSurface>, std::string>>(
+        window2->set_window<TextWindow<SubSurface<SurfaceBase>, std::string>>(
                 1, 1, &loop, "hello6");
         loop.run([&] {
             surface._sf_window.clear();
             surface._texture.update(surface._image);
             surface._sf_window.draw(surface._sprite);
             surface._sf_window.display();
-            static_cast<TextWindow<SubSurface<SfmlSurface>, std::string>*>(
+            static_cast<TextWindow<SubSurface<SurfaceBase>, std::string>*>(
                     window->get_subsurface(0, 0).get_window())
                     ->push(TextUpdateEvent<std::string>{std::string("Hello, SFML!") + std::to_string(i++)});
         });
diff --git a/Firmware/sdk/library/CMakeLists.txt b/Firmware/sdk/library/CMakeLists.txt
index 1eac6a5..fe4ffae 100644
--- a/Firmware/sdk/library/CMakeLists.txt
+++ b/Firmware/sdk/library/CMakeLists.txt
@@ -1,5 +1,7 @@
 cmake_minimum_required(VERSION 3.10)
 
+add_subdirectory(backend_interface)
+
 add_library(cbsdk
         src/Window.cpp
         include_public/Window.hpp
@@ -12,11 +14,18 @@ add_library(cbsdk
         src/TextWindow.cpp
         include_public/TextWindow.hpp
         include_public/utils.hpp
-        include_public/SubSurface.hpp)
+        include_public/SubSurface.hpp
+        src/Surface.cpp)
 
 target_include_directories(cbsdk PUBLIC include_public)
 target_include_directories(cbsdk PRIVATE include)
 
+if(NOT CBSDK_BACKEND_LIBRARY)
+    message(FATAL_ERROR "CBSDK_BACKEND_LIBRARY not set!")
+endif ()
+
+target_link_libraries(cbsdk PUBLIC cbsdk_backend_interface ${CBSDK_BACKEND_LIBRARY})
+
 if (NOT CMAKE_CROSSCOMPILING)
     add_subdirectory(test)
 endif ()
\ No newline at end of file
diff --git a/Firmware/sdk/library/backend_interface/CMakeLists.txt b/Firmware/sdk/library/backend_interface/CMakeLists.txt
new file mode 100644
index 0000000..eb56214
--- /dev/null
+++ b/Firmware/sdk/library/backend_interface/CMakeLists.txt
@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.10)
+
+add_library(cbsdk_backend_interface INTERFACE
+        include_public/backend_interface.hpp)
+
+target_include_directories(cbsdk_backend_interface INTERFACE include_public)
+
+#if (NOT CMAKE_CROSSCOMPILING)
+#    add_subdirectory(test)
+#endif ()
\ No newline at end of file
diff --git a/Firmware/sdk/library/backend_interface/include_public/backend_interface.hpp b/Firmware/sdk/library/backend_interface/include_public/backend_interface.hpp
new file mode 100644
index 0000000..9707947
--- /dev/null
+++ b/Firmware/sdk/library/backend_interface/include_public/backend_interface.hpp
@@ -0,0 +1,15 @@
+//
+// Created by stepus53 on 14.08.25.
+//
+
+#ifndef SDK_TOP_BACKEND_INTERFACE_HPP
+#define SDK_TOP_BACKEND_INTERFACE_HPP
+
+namespace SdkPort {
+
+struct Pixel;
+class SurfaceBase;
+
+} // namespace SdkPort
+
+#endif // SDK_TOP_BACKEND_INTERFACE_HPP
diff --git a/Firmware/sdk/library/include_public/Event.hpp b/Firmware/sdk/library/include_public/Event.hpp
index 4643151..5cda8d9 100644
--- a/Firmware/sdk/library/include_public/Event.hpp
+++ b/Firmware/sdk/library/include_public/Event.hpp
@@ -15,6 +15,8 @@
 #include <variant>
 #include <functional>
 
+#include "utils.hpp"
+
 enum class EventHandlingResult { DONE, IGNORE, CONTINUE };
 
 class Event {};
@@ -37,6 +39,8 @@ template<typename Derived, typename... T>
 class EventHandler {
 public:
     EventHandler() { static_assert(HandlesAll<Derived, T...>); }
+
+    using HandledTypes = type_list<T...>;
 };
 
 class EventLoop;
diff --git a/Firmware/sdk/library/include_public/GridWindow.hpp b/Firmware/sdk/library/include_public/GridWindow.hpp
index a1f5881..9da1ccd 100644
--- a/Firmware/sdk/library/include_public/GridWindow.hpp
+++ b/Firmware/sdk/library/include_public/GridWindow.hpp
@@ -11,12 +11,10 @@
 #include "Window.hpp"
 #include "utils.hpp"
 
-template<typename SurfaceType, unsigned nWidth, unsigned nHeight>
-class GridWindow : public Window<SurfaceType> {
+template<unsigned nWidth, unsigned nHeight>
+class GridWindow : public Window {
 public:
-    using PixelType = typename SurfaceType::PixelType;
-
-    explicit GridWindow(SurfaceType* owner) : Window<SurfaceType>(owner) {
+    explicit GridWindow(SubSurface* owner) : Window(owner) {
         for (int i = 0; i < nWidth; ++i) {
             for (int j = 0; j < nHeight; ++j) {
                 _grid[i][j].emplace(owner);
@@ -74,13 +72,9 @@ public:
         _cell_height = this->_owner->get_height() / nHeight;
         for (int i = 0; i < nWidth; ++i) {
             for (int j = 0; j < nHeight; ++j) {
-                if constexpr (is_specialization_of<SubSurface, SurfaceType>::value) {
-                    _grid[i][j]->set_pos(this->_owner->get_x_offset() + i * _cell_width + 1,
-                                         this->_owner->get_y_offset() + j * _cell_height + 1, _cell_width - 2,
-                                         _cell_height - 2);
-                } else {
-                    _grid[i][j]->set_pos(i * _cell_width + 1, j * _cell_height + 1, _cell_width - 2, _cell_height - 2);
-                }
+                _grid[i][j]->set_pos(this->_owner->get_x_offset() + i * _cell_width + 1,
+                                     this->_owner->get_y_offset() + j * _cell_height + 1, _cell_width - 2,
+                                     _cell_height - 2);
             }
         }
         refresh();
@@ -92,7 +86,7 @@ public:
         _grid[x][y]->template set_window<WindowType>(std::forward<Args>(args)...);
     }
 
-    SubSurface<SurfaceType>& get_subsurface(unsigned x, unsigned y) {
+    SubSurface& get_subsurface(unsigned x, unsigned y) {
         // assert(x >= nWidth && y >= nHeight);
         return *_grid[x][y];
     }
@@ -101,21 +95,16 @@ public:
         for (int i = 0; i < nWidth; ++i) {
             for (int j = 0; j < nHeight; ++j) {
                 if (i == _current_focus_x && j == _current_focus_y) {
-                    this->_owner->draw_rect(i * _cell_width, j * _cell_height, _cell_width, _cell_height,
-                                            PixelType(true));
+                    this->_owner->draw_rect(i * _cell_width, j * _cell_height, _cell_width, _cell_height, Pixel(true));
                 } else {
-                    this->_owner->draw_rect(i * _cell_width, j * _cell_height, _cell_width, _cell_height,
-                                            PixelType(false));
+                    this->_owner->draw_rect(i * _cell_width, j * _cell_height, _cell_width, _cell_height, Pixel(false));
                 }
             }
         }
     }
 
 private:
-    using SubType = std::conditional_t<is_specialization_of<SubSurface, SurfaceType>::value, SurfaceType,
-                                       SubSurface<SurfaceType>>;
-
-    std::array<std::array<std::optional<SubType>, nWidth>, nHeight> _grid;
+    std::array<std::array<std::optional<SubSurface>, nWidth>, nHeight> _grid;
 
     unsigned _cell_width  = 0;
     unsigned _cell_height = 0;
diff --git a/Firmware/sdk/library/include_public/Pixel.hpp b/Firmware/sdk/library/include_public/Pixel.hpp
index 60a297c..eff32df 100644
--- a/Firmware/sdk/library/include_public/Pixel.hpp
+++ b/Firmware/sdk/library/include_public/Pixel.hpp
@@ -5,17 +5,8 @@
 #ifndef PIXEL_HPP
 #define PIXEL_HPP
 
-class Pixel {
-};
+#include "port_pixel.hpp"
 
-struct BwPixel : public Pixel {
-    bool on = false;
-
-    BwPixel() = default;
-    BwPixel(bool on) : on(on) {}
-
-    bool operator==(const BwPixel& other) const { return on == other.on; }
-    bool operator!=(const BwPixel& other) const { return !(*this == other); }
-};
+using Pixel = SdkPort::Pixel;
 
 #endif //PIXEL_HPP
diff --git a/Firmware/sdk/library/include_public/SubSurface.hpp b/Firmware/sdk/library/include_public/SubSurface.hpp
index 010b00f..3603470 100644
--- a/Firmware/sdk/library/include_public/SubSurface.hpp
+++ b/Firmware/sdk/library/include_public/SubSurface.hpp
@@ -14,15 +14,12 @@
 #include "Window.hpp"
 #include "utils.hpp"
 
-template<typename SurfaceParent>
-class SubSurface : public Surface<SubSurface<SurfaceParent>, typename SurfaceParent::PixelType> {
+class SubSurface : public StandardEventHandler<SubSurface> {
 public:
-    using PixelType = typename SurfaceParent::PixelType;
+    SubSurface(Surface* parent) : _parent(parent) {}
+    SubSurface(SubSurface* parent) : _parent(parent->_parent) {}
 
-    SubSurface(SurfaceParent* parent) : _parent(parent) {}
-    SubSurface(SubSurface<SurfaceParent>* parent) : _parent(parent->_parent) {}
-
-    void draw_pixel_impl(unsigned x, unsigned y, const PixelType& pixel) {
+    void draw_pixel_impl(unsigned x, unsigned y, const Pixel& pixel) {
         if (x >= _x_size || y >= _y_size) {
             assert(false);
         }
@@ -46,13 +43,33 @@ public:
         this->handle(SurfaceResizeEvent(x_size, y_size));
     }
 
+    template<typename T>
+    EventHandlingResult handle(const T& event) {
+        if (_window.get())
+            return _window->handle(event);
+        return EventHandlingResult::CONTINUE;
+    }
+
+    template<typename WindowType, typename... Args>
+    void set_window(Args&&... args) {
+        _window = std::make_unique<WindowType>(std::forward<Args>(args)...);
+    }
+
+    bool has_window() const { return _window != nullptr; }
+
+    Window* get_window() {
+        assert(has_window());
+        return _window.get();
+    }
+
 private:
     unsigned _x_offset = 0;
     unsigned _y_offset = 0;
     unsigned _x_size   = 0;
     unsigned _y_size   = 0;
 
-    SurfaceParent* _parent;
+    Surface*                _parent;
+    std::unique_ptr<Window> _window;
 };
 
 #endif // SUBSURFACE_HPP
diff --git a/Firmware/sdk/library/include_public/Surface.hpp b/Firmware/sdk/library/include_public/Surface.hpp
index 8b7d873..46d5e8b 100644
--- a/Firmware/sdk/library/include_public/Surface.hpp
+++ b/Firmware/sdk/library/include_public/Surface.hpp
@@ -12,19 +12,17 @@
 #include "Pixel.hpp"
 #include "StandardEvents.hpp"
 #include "Window.hpp"
+#include "backend_interface.hpp"
 #include "utils.hpp"
 
-template<typename Derived, typename PixelType>
-    requires std::is_base_of_v<Pixel, PixelType>
-class Surface : public StandardEventHandler<Derived> {
+class SubSurface;
+
+class Surface : public StandardEventHandler<Surface>, public SdkPort::SurfaceBase {
 public:
-    Surface() { static_assert(std::is_same_v<PixelType, typename Derived::PixelType>); }
+    Surface();
+    ~Surface();
 
-    void draw_pixel(unsigned x, unsigned y, const BwPixel& pixel) {
-        static_cast<Derived*>(this)->draw_pixel_impl(x, y, pixel);
-    }
-
-    void draw_rect(unsigned x, unsigned y, unsigned width, unsigned height, const BwPixel& pixel) {
+    void draw_rect(unsigned x, unsigned y, unsigned width, unsigned height, const Pixel& pixel) {
         for (unsigned i = 0; i < width; ++i) {
             draw_pixel(x + i, y, pixel);
             draw_pixel(x + i, y + height - 1, pixel);
@@ -38,44 +36,17 @@ public:
     void clear() {
         for (unsigned x = 0; x < get_width(); x++) {
             for (unsigned y = 0; y < get_height(); y++) {
-                draw_pixel(x, y, PixelType());
+                draw_pixel(x, y, Pixel());
             }
         }
     }
 
-    int get_width() const { return static_cast<const Derived*>(this)->get_width_impl(); }
-
-    int get_height() const { return static_cast<const Derived*>(this)->get_height_impl(); }
-
     template<typename T>
-    EventHandlingResult handle(const T& event) {
-        if (_window.get())
-            return _window->handle(event);
-        return EventHandlingResult::CONTINUE;
-    }
-
-    template<typename WindowType, typename... Args>
-    void set_window(Args&&... args) {
-        _window = std::make_unique<WindowType>(static_cast<Derived*>(this), std::forward<Args>(args)...);
-    }
-
-    Surface(const Surface& other) = delete;
-
-    Surface(Surface&& other) noexcept = delete;
-
-    Surface& operator=(const Surface& other) = delete;
-
-    Surface& operator=(Surface&& other) noexcept = delete;
-
-    bool has_window() const { return _window != nullptr; }
-
-    Window<Derived>* get_window() {
-        assert(has_window());
-        return _window.get();
-    }
+    EventHandlingResult handle(const T& event);
+    SubSurface&         get_subsurface();
 
 protected:
-    std::unique_ptr<Window<Derived>> _window = nullptr;
+    SubSurface* _subsurface = nullptr;
 };
 
 #endif // SURFACE_HPP
diff --git a/Firmware/sdk/library/include_public/Window.hpp b/Firmware/sdk/library/include_public/Window.hpp
index c6788b4..ae69d65 100644
--- a/Firmware/sdk/library/include_public/Window.hpp
+++ b/Firmware/sdk/library/include_public/Window.hpp
@@ -10,18 +10,12 @@
 #include "Event.hpp"
 #include "Pixel.hpp"
 #include "StandardEvents.hpp"
+#include "SubSurface.hpp"
 #include "utils.hpp"
 
-template<typename Derived, typename PixelType>
-    requires std::is_base_of_v<Pixel, PixelType>
-class Surface;
-
-template<typename SurfaceType>
-class Window : StandardEventHandler<Window<SurfaceType>> {
+class Window : StandardEventHandler<Window> {
 public:
-    using PixelType = typename SurfaceType::PixelType;
-
-    explicit Window(SurfaceType* owner) : _owner(owner) {
+    explicit Window(SubSurface* owner) : _owner(owner) {
         // static_assert(is_specialization_of<Surface, SurfaceType>::value);
     }
 
@@ -34,7 +28,7 @@ public:
     virtual EventHandlingResult handle_v(SurfaceResizeEvent) { return EventHandlingResult::CONTINUE; }
 
 protected:
-    SurfaceType* _owner = nullptr;
+    SubSurface* _owner = nullptr;
 };
 
 #endif // SURFACE_HPP
diff --git a/Firmware/sdk/library/include_public/utils.hpp b/Firmware/sdk/library/include_public/utils.hpp
index e83ee0c..284894c 100644
--- a/Firmware/sdk/library/include_public/utils.hpp
+++ b/Firmware/sdk/library/include_public/utils.hpp
@@ -5,10 +5,32 @@
 #ifndef UTILS_HPP
 #define UTILS_HPP
 
+template <typename... Ts>
+struct type_list {};
+
 template <template <typename...> class T, typename U>
 struct is_specialization_of: std::false_type {};
 
 template <template <typename...> class T, typename... Us>
 struct is_specialization_of<T, T<Us...>>: std::true_type {};
 
+template <template <typename> class Target, typename List>
+struct instantiate_all_with;
+
+template <template <typename> class Target, template <typename...> class List, typename... Ts>
+struct instantiate_all_with<Target, List<Ts...>> {
+    using type = std::tuple<Target<Ts>...>;
+};
+
+template <template <typename> class Func, typename List>
+struct call_template_for_all;
+
+template <template <typename> class Func, template <typename...> class List, typename... Ts>
+struct call_template_for_all<Func, List<Ts...>> {
+    static void run() {
+        (Func<Ts>{}(), ...); // assumes Func<T>::operator() exists
+    }
+};
+
+
 #endif //UTILS_HPP
diff --git a/Firmware/sdk/library/src/Surface.cpp b/Firmware/sdk/library/src/Surface.cpp
new file mode 100644
index 0000000..09995b8
--- /dev/null
+++ b/Firmware/sdk/library/src/Surface.cpp
@@ -0,0 +1,31 @@
+//
+// Created by stepus53 on 15.08.25.
+//
+
+#include "Surface.hpp"
+#include "SubSurface.hpp"
+
+Surface::Surface() : SurfaceBase() {}
+Surface::~Surface() {
+    if (_subsurface)
+        delete _subsurface;
+}
+
+template<typename T>
+EventHandlingResult Surface::handle(const T& event) {
+    if (_subsurface)
+        return _subsurface->handle(event);
+    return EventHandlingResult::CONTINUE;
+}
+
+SubSurface& Surface::get_subsurface() {
+    if (!_subsurface) {
+        _subsurface = new SubSurface(this);
+    }
+    return *_subsurface;
+}
+
+static_assert([]<typename... Ts>(type_list<Ts...>) {
+    ((void) sizeof(&Surface::handle<Ts>), ...);
+    return true;
+}(Surface::HandledTypes{}));
diff --git a/Firmware/sdk/sfml-port/CMakeLists.txt b/Firmware/sdk/sfml-port/CMakeLists.txt
index 9587fd4..597b093 100644
--- a/Firmware/sdk/sfml-port/CMakeLists.txt
+++ b/Firmware/sdk/sfml-port/CMakeLists.txt
@@ -9,35 +9,8 @@ FetchContent_Declare(SFML
         SYSTEM)
 FetchContent_MakeAvailable(SFML)
 
-if (CMAKE_BUILD_TYPE STREQUAL "Debug")
-#    if (NOT DEFINED SANITIZE)
-#        set(SANITIZE YES)
-#    endif ()
-endif ()
-
-if (SANITIZE STREQUAL "YES")
-    message(STATUS "Enabling sanitizers!")
-    add_compile_options(-Werror -O0 -Wall -Wextra -pedantic -Wno-unused-parameter -Wno-unused-variable
-            -Wno-error=unused-function
-            -Wshadow -Wformat=2 -Wfloat-equal -D_GLIBCXX_DEBUG -Wconversion)
-    add_compile_options(-fsanitize=address -fno-sanitize-recover)
-    add_link_options(-fsanitize=address -fno-sanitize-recover)
-endif ()
-
-if (CMAKE_BUILD_TYPE STREQUAL "Release")
-    set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
-endif ()
-
-if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
-    add_compile_options(-O3)
-    add_link_options(-O3)
-endif ()
-
-add_executable(main src/main.cpp
-        src/SfmlWindow.cpp
-        include_public/SfmlWindow.hpp)
-
-target_include_directories(main PRIVATE include)
-target_include_directories(main PUBLIC include_public)
-target_link_libraries(main PRIVATE SFML::Graphics)
-target_link_libraries(main PUBLIC cbsdk)
\ No newline at end of file
+add_library(cbsdk_sfml src/SfmlWindow.cpp include_public/SfmlWindow.hpp
+        include_public/port_pixel.hpp)
+target_include_directories(cbsdk_sfml PRIVATE include)
+target_include_directories(cbsdk_sfml PUBLIC include_public)
+target_link_libraries(cbsdk_sfml PRIVATE SFML::Graphics)
diff --git a/Firmware/sdk/sfml-port/include_public/SfmlWindow.hpp b/Firmware/sdk/sfml-port/include_public/SfmlWindow.hpp
index b0299eb..5c6ed11 100644
--- a/Firmware/sdk/sfml-port/include_public/SfmlWindow.hpp
+++ b/Firmware/sdk/sfml-port/include_public/SfmlWindow.hpp
@@ -5,31 +5,31 @@
 #ifndef SFMLWINDOW_HPP
 #define SFMLWINDOW_HPP
 
-#include "Surface.hpp"
-#include "Window.hpp"
-
 #include <SFML/Graphics.hpp>
 
-class SfmlSurface : public Surface<SfmlSurface, BwPixel>, public StandardEventQueue<SfmlSurface> {
+namespace SdkPort {
+struct Pixel;
+
+class SurfaceBase {
 public:
-    using PixelType = BwPixel;
+    SurfaceBase(EventLoop* loop);
 
-    SfmlSurface(EventLoop* loop);
+    ~SurfaceBase(); // override;
 
-    ~SfmlSurface(); // override;
+    void draw_pixel(unsigned x, unsigned y, const SdkPort::Pixel& pixel);
 
-    void draw_pixel_impl(unsigned x, unsigned y, const BwPixel& pixel);
+    unsigned get_width() const;
 
-    unsigned get_width_impl() const;
+    unsigned get_height() const;
 
-    unsigned get_height_impl() const;
 
-    template<typename T>
-    EventHandlingResult handle(const T& event) {
-        return _window->handle(event);
-    }
+    SurfaceBase(const SurfaceBase& other) = delete;
 
-    EventHandlingResult handle(SurfaceResizeEvent event);
+    SurfaceBase(SurfaceBase&& other) noexcept = delete;
+
+    SurfaceBase& operator=(const SurfaceBase& other) = delete;
+
+    SurfaceBase& operator=(SurfaceBase&& other) noexcept = delete;
 
     sf::RenderWindow _sf_window;
 
@@ -37,5 +37,6 @@ public:
     sf::Texture _texture;
     sf::Sprite  _sprite;
 };
+}
 
 #endif // SFMLWINDOW_HPP
diff --git a/Firmware/sdk/sfml-port/include_public/port_pixel.hpp b/Firmware/sdk/sfml-port/include_public/port_pixel.hpp
new file mode 100644
index 0000000..df99d3d
--- /dev/null
+++ b/Firmware/sdk/sfml-port/include_public/port_pixel.hpp
@@ -0,0 +1,20 @@
+//
+// Created by stepus53 on 15.08.25.
+//
+
+#ifndef SDK_TOP_PORT_PIXEL_HPP
+#define SDK_TOP_PORT_PIXEL_HPP
+
+namespace SdkPort {
+struct Pixel {
+    bool on = false;
+
+    Pixel() = default;
+    Pixel(bool on) : on(on) {}
+
+    bool operator==(const Pixel& other) const { return on == other.on; }
+    bool operator!=(const Pixel& other) const { return !(*this == other); }
+};
+} // namespace SdkPort
+
+#endif // SDK_TOP_PORT_PIXEL_HPP
diff --git a/Firmware/sdk/sfml-port/src/SfmlWindow.cpp b/Firmware/sdk/sfml-port/src/SfmlWindow.cpp
index 5c2db4d..1937e37 100644
--- a/Firmware/sdk/sfml-port/src/SfmlWindow.cpp
+++ b/Firmware/sdk/sfml-port/src/SfmlWindow.cpp
@@ -4,15 +4,15 @@
 
 #include "SfmlWindow.hpp"
 
-void SfmlSurface::draw_pixel_impl(unsigned x, unsigned y, const BwPixel& pixel) {
+void SurfaceBase::draw_pixel_impl(unsigned x, unsigned y, const BwPixel& pixel) {
     _image.setPixel({x, y}, pixel.on ? sf::Color::Black : sf::Color::White);
 }
 
-unsigned SfmlSurface::get_width_impl() const { return _image.getSize().x; }
+unsigned SurfaceBase::get_width_impl() const { return _image.getSize().x; }
 
-unsigned SfmlSurface::get_height_impl() const { return _image.getSize().y; }
+unsigned SurfaceBase::get_height_impl() const { return _image.getSize().y; }
 
-EventHandlingResult SfmlSurface::handle(SurfaceResizeEvent event) {
+EventHandlingResult SurfaceBase::handle(SurfaceResizeEvent event) {
     _sf_window.clear();
     _image.resize({event.width, event.height});
     _texture.resize({event.width, event.height});
@@ -23,9 +23,9 @@ EventHandlingResult SfmlSurface::handle(SurfaceResizeEvent event) {
     return _window->handle(event);
 }
 
-SfmlSurface::SfmlSurface(EventLoop* loop) :
-    Surface<SfmlSurface, BwPixel>(),
-    EventQueue<SfmlSurface, KeyboardEvent, SurfaceEvent, SurfaceResizeEvent>(loop, this),
+SurfaceBase::SurfaceBase(EventLoop* loop) :
+    Surface<SurfaceBase, BwPixel>(),
+    EventQueue<SurfaceBase, KeyboardEvent, SurfaceEvent, SurfaceResizeEvent>(loop, this),
     _sf_window(sf::VideoMode({640, 480}), "Test"), _image({640, 480}, sf::Color::White), _texture(_image),
     _sprite(_texture) {
     _sf_window.setFramerateLimit(60);
@@ -34,4 +34,4 @@ SfmlSurface::SfmlSurface(EventLoop* loop) :
     _sf_window.display();
 }
 
-SfmlSurface::~SfmlSurface() {}
+SurfaceBase::~SurfaceBase() {}