MAME4iOS v1.4 for non-jailbroken devices 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. They emulates arcade games supported by original MAME 0.37b5 plus some additional games from newer MAME versions.

MAME4iOS v1.5 Changelog:

Added native l2cap bluetooth support for up to 4 PS3 Sixaxis controllers (you must store the Bluetooth address of your iOS device in your controller with a 3rd party utility like SixaxisPairTool). Added button and stick size selectors. Fixed permissions errors when creating files on jailbroken devices. Bluetooth manager bug fixes.

Download: MAME4iOS v1.5 for non-jailbroken devices.
Download: MAME4iOS v1.5 for jailbroken devices.
Source:Here