This is a known problem in the current version of the vBulletin Sphinx Search by Digital Point.
There is a fix, but unfortunately it will cost us at least $25.00 to be able to download the latest version of the software and we just can't spare the money right now.
I'm currently creating (as a hobby) a space invaders like game for mobile using Xamarin, after starting a few larger projects that I also may not have finished
Awesome! you should look at the Atari VCS platform it does not have a huge user base but the one it has is super active at around 11k and they have no games in there store