So a slight drop from last year and this year it gets Pokemon and MNH4.
1st party software has been much less consistent this year.
Compare:
January: Spirit Camera (2012), Nothing (2013)
February: Nothing (2012, 2013)
March: Mario & Sonic @ London Olympics, Kid Icarus (2012), Luigi's Mansion 2 (2013)
April: Fire Emblem Awakening (2012), Tomodachi Collection (2013)
May: Mario Tennis Open (2012), Nothing (2013)
June: Culdecept (2012), Donkey Kong Country Returns 3D
July: Calciobit, New Super Mario Bros. 2, Devilish Brain Training, 3DS LL (2012), Mario & Luigi RPG 4 (2013)
August: Nothing (2012, 2013)
September: Art Academy, Girl's Mode (2012), Nothing (2013)
October: Animal Crossing (2012), Pokemon X & Y (2013)
November: Pokemon Mystery Dungeon (2012), Unknown (2013)
December: Paper Mario Sticker Star (2012), Unknown (2013)
Mario Party 3DS and Band Brothers will fit in the 2 unknown spots, most likely. Still, much less consistent/appealing year (so far) in Japan compared to last.