Get an action replay.
yes
You have to buy them. Or trade to get Pokemon
You have to go to the Pokemon center, then go into the computer and then go into someones PC then go on deposit Pokemon. This will let you put Pokemon from your team into the PC. Then click on withdraw this will let you take Pokemon from your PC and put them into your team.
Go to 'My Team' then scroll down. Tick the box that you want that Pokemon to be in your party. Then click 'Move to My Battle Team'.
Any what you want
To infinity and beyond.
Beside the Pokemon, there are numbers. Click the number which corresponds to the slot you want it to be in.
Yes, Pokemon Mystery Dungeon Gates to Infinity is only for the 3DS system.
you cant get infinity but you can get 999 with the cheat device
you need to have at least 6 pokemon in your team then swap them around for others when you catch more. to swap your team around you must have atleast 7 pokemon #. hope it helped. :) PSN: The__TBL
You cant
Definitely Pokemon master * infinity