suggest mobile games, where i need to use my brain

Hinge

polerbaazi

If you are into puzzle - things where you need to use your brain..

Try

puzz.link

Start with basic ones.. there isn't much content available online on how to play - which is kinda good. Figure out the rules. Figure out the solution. Tada! I

Monument valley, chess, world of goo

Chess.

https://play.google.com/store/apps/details?id=com.kk.braincode

this is one which i play sometimes