Half screen game development for live streaming application

I need help in getting the half-screen games developed for my live streaming application. Attaching the screenshot for your kind reference. Developers from out of India are much appreciated. The applications where you can take references are from the below links. Please go through the real-time game experience on the application before bidding.

https://play.google.com/store/apps/details?id=com.thankyo.hwgame

https://play.google.com/store/apps/details?id=com.mikaapp.android