This is super awesome, thank you for writing it up.
I'm curious if you've considered using SDL2 for your project, it seems to have pretty good iOS/Android support. Its readme also documents some good tips/tricks for running on Android which might be applicable to all C apps wanting to be run on it: [https://github.com/zielmicha/SDL2/blob/master/README.android](https://github.com/zielmicha/SDL2/blob/master/README.android)
