Oleg Bastrakov

I'm in play-google since 2013 with different apps. Also I created a number of commerce android solutions with maps, scaners and REST (json) communication. Last 2 years moved to Kotlin.

https://play.google.com/store/apps/developer?id=Oleg+Bastrakov

(code example)

https://github.com/bastrakov/

Also I have an experience with cross-paltform solutions (phonegap and electron).