Now you can make custom character to use in best 2d cartoon animation app Chroma Toons. You can draw or outline your character in this app and export the skin. No need to setup character body parts according to the body chart provided by ChromaToons app's site.
This will ease the process of making custom character. Tutorial link is also given in the app so you can check how to make custom cartoon character to make animation using Chroma Toons android app.
This app is totally free to use but contain ads.
