A free program for Android, by APPDO.

Time to be a hero! Choose your Omnitrix and experience the power of your favorite superhero! Some of the Omnitrix is collected in Watch Simulator 2D. Every single one of them functions and even has audio! This software enables you to choose which Omnitrix you want to convert into if you are a fan of Ben10 and want to know what it’s like to wear the actual watch. With Watch Simulator 2D, you may become Ben10 whenever you want and change into any Omnitrix. What are you still holding out for? Get the app right away, then have fun! This is completely free.