Here are some common types of token generators: Creature Token Generators: These cards create tokens that represent creatures
The meta is very much still adjusting, with new strategies being tested in the various online tournaments held by fans and other organizers, but it seems that yet another expansion will be released for Pokemon TCG Pocket as early as the end of July
You may choose any letter from any language, including Spanish, Phyrexian, and that secret language that only you and your twin sister know
Tokens follow almost the exact same rules as other permanents (unless some rules specifically care about their token status), except that they cannot exist outside the battlefield
As for what cards you want to collect to upgrade, Id recommend picking up 5,000 Years in the Future packs
That damage is randomly split across up to four of your opponent's Pokemon, both in the Active spot and on the Bench