is a 2D physics simulation sandbox developed by Algoryx Simulation. It allows users to draw, move, rotate, and interact with objects while gravity, friction, restitution, and other physics properties are simulated in real time. It is widely used in education (especially physics teaching) and for creative experimentation.

However, . The software was originally developed for Windows, macOS, and iPadOS (as an iPad app). There is no official Android version from Algoryx.

Let me clarify first: