Arcana Heart 3 is a 2D arcade fighting game developed by Examu (formerly Yuki Enterprise) and published by Arc System Works. It is the third entry in the Arcana Heart series, following the events after Arcana Heart 2.
Arcana Heart 3 Wiki - http://arcana.mizuumi.net/wiki/Main_Page
I'm just lone messenger; primary source of report leak and credit goes to: http://kalfisquine.com/blog/?p=1199
(Recommended you go there for all info and updates such as fixed controls, etc.)
Controls: Coin: F1, F2 Start: 1,2 Keyboard keys: arrow keys, z x c a s d Controller can be setup via cabinet menu F12 or use with joy2key F12: System Config (freeplay mode, pad config etc.) F11: Testing mode
NOTE: There is a reg.reg file in the folder. Whatever you do, DO NOT TOUCH IT AS IT CAN DESTROY YOUR COMPUTER. NO JOKE.
reg.reg is a registry file be used as a alternative registry for running the game (thinking it's an arcade). You'll have to do a system recover if you clicked that file, as it can screw up your registry to the point of making a PC stop working.