I would say either, Charizard Lvl. X, Mew Lvl. X, or Mewtwo Lvl. X
No. Level X is a Trading Card Game thing. It's not in the games. Unless you mean level 24, in which case, sure.
you have to download it
yes
The best thing to do with trainer tokens would be to buy Boosters and Decks in pokemon trading card game online.
Pokemon trading card game for gameboy color (i think)
you can go to japan and get the 5.00mew Pokemon deck
Promo Meowth (#10)
Yes, there are two.
Buy it
http://www.warezexperts.com/forum/guest-games/6055-rs-pokemon-trading-card-game-play-version-2-a.html
Pokemon TCG is: (drum roll) Pokemon Trading Card Game. You cannot download a card game, though you can buy card packs at Target or a similar store.
no there will not be a second one but they will make more types of pokemon