Go to the Google Play Store, search , and start drawing. Build a bridge. Crash it. Add water. Add lasers. Add more water .
For the uninitiated, Algodoo is a 2D physics sandbox. Think of it as a digital "marble run" on steroids. It gives you tools to draw shapes, add hinges, springs, gears, and motors, and then lets gravity and physics take over. Algodoo Play Store
While Algodoo is a beloved 2D physics sandbox for education and creativity, it is . Although an Android version existed in the mid-2010s, its development has been discontinued. Go to the Google Play Store, search , and start drawing