A free program for Android, by Tri Core.

Tattoo Maker: Boys & Girls is the best app for creating stylish and unique t-shirts, tank tops, and other casual clothing with the help of professional designs, awesome fonts, and cool stickers. It is very easy to use, even for beginners. Simply select a design from the library, customize it with the available text, color, and font style options, and you are done. The app comes with hundreds of free designs and fonts, and you can also purchase additional ones from the in-app shop. The final image is also automatically saved to your gallery, so you don’t have to worry about losing your work.