Trainers

hey its me. the only person on this web site who had his name changed.[^] (according to WWS) I was wondering what the name of the trainer that lets you take a coaster (lika a Air Powerd Launch) and put a diferent train on it. if you could tell me the name or give me a lnk that would be grate. Also if you could all tell me the best trainers out there that will not FU<k ^ my brand new computer. hahaha. long stoy short, i had a virus that was sending it's self out to all the people in my address book. hahaha. thank you. Android

Sorry I don't know what a trainer even is. I've heard of them but don't know what they are!!! [:(] Oh year nice avatur (I think I spelt that right) [?]