Hmm I guess you can try... (I guess they're free apps xd)
Infinite Painter (Android and iOs)
Mediband (Android and iOs)
Skechbook Draw and Paint (Android and iOs)
If you want to see a Online community for add your drawings and see more other drawings of another people you can use
Drawing amino for Illustration (I guess thats the name xdd)
I guess that's all ;-;

Yeah bro-
@Jojo do ya know more apps cuz art flow isn't for free and I need to pay ;m;

I'm trying it but thx xd

I really miss sketch tbh..

And Did you found '' artflow ''? Its for Android phones xdd