Instead of only being able to play 1 game at 1 time, we could be able to play more games at the same time so if we minimize one game we can go into another at the same time.
No support, this can slow down ROBLOX's server, you could spam up a place with you's to get place views, and, of course, computers aren't normally designed to hold 3-4 high-graphic games all having to run at the same time.