after downloading it on my dsi, dsi xl and 3ds, now ready to play

it is now available in the US DSi and eshops

This sentence does not look right

"Bomb gems only tick down during moves where you make no match whereas Doom gems tick down every move"

i think you got them mixed up, Bomb gems tick down every move and when it reaches 0 you play a mini game, while doom gems tick down only on no match moves

i picked this over the hat... i am confident i can get the hat from other sources

ordered the game... the hat was tempting but I am sure I won't be using that ... I'm a gamer so I want games

it has different levels but the boss fight after each world are reused from the ds version. One big difference also is you can't stop or have direct control of the minis once you activated them. You can only influence their movement by manipulating the objects in the stage