This app was mentioned in
with an average of
Long story but you can use [link] to make texture packs so then I found how out how to change the enchantment effect texture and started messing around with it.
It has layers like Photoshop if you create a Drawing [link]
You can add your image to the drawing.
Found this app too [link]
Gotcha. I've been using a mix of some apps but I seem to use Medibang Paint the most. I like it though I wish it had layer rotation the way SketchBook does.
On Android, I've been using Medibang to draw. Though it requires an account, you can work offline once you've signed in, and there are quite a few brushes you can use to draw whatever you need.
Does well enough on my phone, even.
Lots of work and I used this app if you were wondering [link]
I used [link]
You could give MediBang Paint a try -- it includes pretty good tools for creating comic panels.
Used medibang for this incase anyone is curious.