Math Grapher 3D, developed by LKMathsApps, is a powerful tool for 3D rendering and picture export. This free Android app is categorized under Utilities & Tools and allows users to render and export predefined geometric objects such as sphere, cube, torus, cylinder, cone and more. Users can also define their own 3D functions such as f(x, y) = z and parametric surfaces like x(u, v), y(u, v) and z(u, v). The app also supports animations using a time variable "t" in the functions.

The creator of the Android "FreeGeo Mathematics" geometry system has designed this app. With Math Grapher 3D, users can easily create and export 3D models for their projects. The app is user-friendly and has a simple interface, making it easy for beginners to use. Overall, Math Grapher 3D is an excellent tool for anyone looking to create 3D models on their Android device.