I promise I'll get round to doing a full blowout update some time soon on this thread, as soon as I get a free weekend really.
Here's some stuff in the interim:
http://www.neogaf.com/forum/showpost.php?p=208086072&postcount=103
Famitsu Digital Sales: PlayStation Store (Apr 25 - May 29)
[PS4] Dragon Quest Heroes II: Futago no Ou to Yogen no Owari (ε) _PS Store Download Version_ |DL| <RPG> (Square Enix) (¥7.800) - 30.875 (14,0%)
[PS4] Overwatch (ε) _PS Store Download Version_ |DL| <ACT> (Square Enix) (¥7.800) - 25.945 (32,4%)
[PS4] Uncharted 4: A Thief's End (ε) _PS Store Download Version_ |DL| <ADV> (Sony Computer Entertainment) (¥7.900) - 23.810 (13,4%)
[PS4] Jikkyou Powerful Pro Baseball 2016 (ε) _PS Store Download Version_ |DL| <SPT> (Konami) (¥7.980) - 23.140 (16,0%)
[PSV] Jikkyou Powerful Pro Baseball 2016 (ε) _PS Store Download Version_ |DL| <SPT> (Konami) (¥6.980) - 15.880 (12,6%)
[PS4] Guilty Gear Xrd: Revelator (ε) _PS Store Download Version_ |DL| <FTG> (Arc System Works) (¥5.800) - 13.170 (35,4%)
Digital Sales for discounted games:
[PS4] Battlefield 4 (¥800) - 70.215
[PSP] Hayarigami Portable (¥21) - 39.475
[PS4] Battlefield Hardline (¥800) - 30.590
[PSV] Persona 4: The Golden (¥1.658) - 17.045
Essay Pro