I use to draw on ibispaint but now I use Medibang more as I also have it on my computer :>
These drawing applications that I suggested are really cool! They're easy to get to know and they have cool brushes and layers 'n' stuff. Also they are free which is even cooler ^-^
Link
Uluri
Apps? You mean like on a phone? I've only heard of MediBang, it has layers and everything.