iMAME4all v1.9 is released. iMAME4all is a iOS universal app done by David Valdeita (Seleuco), port of MAME 0.37b5 emulator by Nicola Salmoria & TEAM for all jailbroken iOS devices (iPad HD, iPhone 4G , iPod touch and older) and it is based on GP2X, WIZ MAME4ALL 2.5 by Franxis. It emulates arcade games supported by original MAME 0.37b5 plus some additional games from newer MAME versions.

iMAME4all v1.9 Changelog:
• key delay on game selection - eases game selection. (Currently only works on safe render).
• added option to set Sound defaults
• added option to choose iCade or iControlPad layout
• sleep processor between inputs on game select screen, previously CPU ran at constantly at 100%, now idles so better battery life.
• Fixed multiple key presses problem
• sound initialisation fixes
• Added ARMv7 exe for 3GS and later devices, speed boost for some games.

Download: iMAME4all v1.9
Source: Here