May 2012 NPD - Diablo III:1m; X360:160k; PS3:124k; Wii:71k; 3DS:113.5k; PSV:~54k -

[Judgement-2012]

I think 3ds did well,even the platform header x360 saw a huge drop compared to last year and last month.
Most of the 3ds big games are going to be released after june(kingdom hearts,luigi 's mansion,animal crossing....)so the boost is pretty huge.