This morning I’ve managed to load the first part of a level file from the PC version of Grenade into the Android version. this did have it’s issues as it turns out Blitz3D stores data to files a little differently to B4A, but with some help from the official B4A forum )and the guy who wrote B4A), I’ve managed to fix it and have produced a screenshot below showing the correct positions for all the trees on the first level of the game. the next worklog should show a full level layout running on Android: