There's virtually no documentation for how to handle multi-touch on android NDK. Your only salvation is searching through the ndk-samples google provides.
I managed to do it, but it was a draining effort. Especially using my 7-inch display.
Follow
BUT the good news is I think I have everything I need to fully recreate my ethersurface app I did years ago.
Only this time, no Java, no Csound API, and no android studio.
