A free program for Android, by Vaibhav Kokare.

Have you ever wanted to create CS:GO skins? If so, give Skin Maker – 3D Skin Creator a try. With this app, you can create tons of skins by adding stickers to various gun models, including AK47, Desert Eagle, FAMAS, and P90. 

You can use the app’s default stickers or pick an image from your phone’s gallery. Once you have chosen a sticker, you have the option to resize or adjust its angle. Once you have created a well-designed skin for your favorite gun, you can share it with the Steam community for review. 

Skin Maker – 3D Skin Creator supports multiple languages and is compatible with smartphones with Android 7.1+ operating systems.