First pass at changing SDL 2.0 to SDL 3.0

docs/README-android.md

@@ -86,8 +86,8 @@ If you already have a project that uses CMake, the instructions change somewhat:
 2. Edit "<project>/app/build.gradle" to comment out or remove sections containing ndk-build
    and uncomment the cmake sections. Add arguments to the CMake invocation as needed.
 3. Edit "<project>/app/jni/CMakeLists.txt" to include your project (it defaults to
-   adding the "src" subdirectory). Note that you'll have SDL2, SDL2main and SDL2-static
-   as targets in your project, so you should have "target_link_libraries(yourgame SDL2 SDL2main)"
+   adding the "src" subdirectory). Note that you'll have SDL3, SDL3main and SDL3-static
+   as targets in your project, so you should have "target_link_libraries(yourgame SDL3 SDL3main)"
    in your CMakeLists.txt file. Also be aware that you should use add_library() instead of
    add_executable() for the target containing your "main" function.
 
@@ -414,10 +414,10 @@ Graphics debugging
 ================================================================================
 
 If you are developing on a compatible Tegra-based tablet, NVidia provides
-Tegra Graphics Debugger at their website. Because SDL2 dynamically loads EGL
+Tegra Graphics Debugger at their website. Because SDL3 dynamically loads EGL
 and GLES libraries, you must follow their instructions for installing the
 interposer library on a rooted device. The non-rooted instructions are not
-compatible with applications that use SDL2 for video.
+compatible with applications that use SDL3 for video.
 
 The Tegra Graphics Debugger is available from NVidia here:
 https://developer.nvidia.com/tegra-graphics-debugger