The NDK does not allow developers to create full applications that run outside of the Dalvik VM; instead the C/C++ components are packaged inside the application's .apk file and are called by the application within the VM. The developer does say that they plan to make the app open source, https://applications-android-sur98764.blog5.net/57552601/nuevo-paso-a-paso-mapa-applications-android-sur-windows