Google present cards will also be widely applied. Most mobile online games can mainly use Google present cards for consumption; Apple reward playing cards are much like Google gift playing cards, and most of the shopping malls can use Apple present cards for consumption. 由於發行商通常投資開發，所以經常試著管理生產者或專案經理人員的開發風險，以監測開發者的進展情況，評論正在進行的開發... waiting for link from Forum Profiles (6)