Onelab is a free, open-source finite element package that is designed to simulate various multi-physics problems. Developed by Christophe Geuzaine, this Android-based platform is built on the Gmsh mesh generator and the GetDP solver. It is a versatile tool that can be used to simulate a range of problems in the fields of electromagnetics, thermics, and mechanics.

With Onelab, users can easily access a variety of pre-built examples and can even add new models by opening the corresponding zip archive on their device. The program is user-friendly and the interface is easy to navigate, making it accessible to both novice and experienced users.

Overall, Onelab is a great tool for those looking to simulate multi-physics problems on their Android device. Its wide range of capabilities and ease of use make it a must-try for anyone in the education and reference field.