Scan 1:

The Magby and Buneary evolution lines are exclusive to Black 2, while the Skitty and Elekid evolution lines are exclusive to White 2
The PokéShifter returns
Black Kyurem has Zekrom’s ability, White Kyurem has Reshiram’s

Scan 2:

New medal system, you can earn them while you play
Black 2 has exclusive area; dungeon filled with water
White 2 has exclusive area; dungeon filled with magma
Black City and White Forest are back and have got makeovers, which version gets which is not mentioned

Scan 3:

Elesa returns as a gym leader, confirmed to have Flaaffy
Elesa’s gym is now like a fashion runway
New Plasma / Old Plasma meet at some point “Team Plasma didn’t die out?! They’re still active behind the scenes.“

Scan 4:

To change Keldeo’s to its Resolute Forme you need to bring all three “muskedeers” to Sangi Town’s nearby Forest
Scans imply that Keldeo need to know the move Sacred Sword to be able to change forme
Special Piplup being given away that knows sing (Wifi, July 20th – Aug 9th)
After taking Meloetta to the cafe in Castelia City, you get a special fes mission

Scan 5:

Details for transforming Kami trio (item based, “Reflecting Mirror” must be held)
Items can be obtained from Pokemon Dream Radar
Porygon can be obtained in PDR as well as Thunder Stones
In Dream Radar, you can get “dream balls” from a “dream cloud” to power up your capture machine

Scan 6:

Movie poster and details
Tornadus has the ability Regenerator
Thundurus has the ability Volt Absorb
Landorus has the ability Intimidate