Mobile app news roundup: Tapjoy, GREE and the end of 2G

Kompu gacha ban hurts Komani’s earnings — The ban on the kompu gacha monetization mechanic has hurt Konami’s Q1 2013 performance quite significantly, reports Dr. Serkan Toto. The company’s social game sales dropped 22.5 percent to $102 million, from last quarter’s sales of $130 million.