I do, but from memory, Rambo moves constantly up the screen but my game moves in all directions, so there'd be some code changes, but the general structure of my map files would work okay and the enemy AI (which I've not ported from PC yet). You know what? Here's the PC release for you to try out, back from 2002.
https://www.dropbox.com/s/znojjfb9j47eihq/Grenade! retail release.zip?dl=0
Let me know if it works, and whether I should bother finishing the port to Android.