In practical terms, if you want it to look-and-feel like an Android app, you have to use the Android SDK; but what language you generate those bytecodes and met

In practical terms, if you want it to look-and-feel like an Android app, you have to use the Android SDK; but what language you generate those bytecodes and method calls with, and how you compile it, well, why should anyone care? I think this is the perfect summation of the entire issue here.