Figured I'd make this so there's somewhere to discuss it, though I don't see it being popular
The main game is called Pokémon Tretta Lab Main System and is packaged as a download code for the eShop in the package. The game has three modes.
First is the Tretta Analyzer. This mode shows you the Pokémon from the Tretta puck scanned in, its type and stats.
Second is the Type Checker. This allows you to compare two Pokémon and see if the type combination matches up.
Third mode is Auto Battle where you scan in two Tretta pucks and it will automatically show them battle, or you can go through several scenarios.
The game, shipping on August 10th, is a digital download game distributed via a code is shipped with the scanner, a base for 3DS and 3DS XL, and three Pokémon Tretta pucks: Eevee, Mewtwo & Lucario with a Pichu puck as a pre-order bonus.