Update (2024)
The Android app below will no longer receive updates, but you can access an improved online version at https://wifi-solver.com
Original post (2014)
The recent attention this humble blog received was surprising to say the least. Despite continuing to be slightly bemused by it all, let it not be said I don’t listen to the comments I receive.There is therefore an Android app here:
which is a version of the 2D FDTD simulation, and will run happily on a modern phone. My Nexus 4 manages about 1 step per second for an array size 350×600, and more up-to-date phones will surely be much quicker. There is a review here in Spanish.
Almost looks like work 