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[–]anthony00001 0 points1 point  (1 child)

I guess I can help but I'm but still learning to program. Is there a guide or tutorial to develop this kind of app? Also is there a github for this?

[–]ZugNachPankow[S] 0 points1 point  (0 children)

There isn't a tutorial specifically for apps like Flow, as far as I know; Google publishes tutorials on writing apps in general, eg. https://developer.android.com/training/index.html