I have experience about Android and IOS app
I have Fitness App,Ecommerce App,Chat App, School Management App,IPTV app,Tournament App, Photo Sharing App and Booking app also..
And Full experience about Google Map and other Google Services.
i can also decompile any exisiting apk...
if you have sample app, i will extract full source code and you can customize that app..
if you have interest contact me. thank you..