[UPDATES] - Towncivilian and Adamix have made a milestone. Without having any access to MTA 0.5's source, they have managed to edit and use Makabo's MTA:SA server browser to work instead with MTA 0.5 and below for GTA 3 and GTA: VC!
[REWRITE] - Another great day. Adamix is hard at work trying to create a multi-game protocol handler using MTA 0.5's original protocol of mta:// in order to combine the mta:// and mtasa:// protocols into one, with automatic game detection. This would allow current and future versions of Multi Theft Auto for GTA 3, VC, and SA to all use a single protocol for web-based URL's!