Remember the game street fighter by Capcom, now CPS2HD Emulator also Play System 2 Arcade,Starting from v2.0.0, network play is possible on CPS2HD.
Right now, it supports wifi buddy mode only and future update will have online battle mode.
For Wifi Network Play (AD-HOC mode), both players need to be under the same wifi network.1. Enable wifi from the phone setting and launch CPS2HD.2. Select “NetworkPlay-Wifi Buddy”.3. Select “Player 1” or “Player 2″Player 1 -> select “Connect”.Player 2 -> Ask player 1 and enter his IP address.4. Load the same romFight!