With multiplayer being immensely popular, Blocklauncher developer Zhuowei and iOS mod maker ZCodeMT both put together ways to use skins on both platforms,
The iOS version does require jailbreak however, but the Android version is built in to Blocklauncher.
To install on jailbroken iOS, add the below source to Cydia:
To get skins on Android, install Blocklauncher.
To upload a skin, open http://blskins.herokuapp.com. You can sign in with your LBSG or EpicMC accounts then upload your skin using the handy form. It’s really easy!