backup your deb because this replace your retroarch installed
if icon not appear in springboard reinstall in cydia any tweak like bytafont 2 (not the emulator)
https://mega.co.nz/#!EwxSXACA!5X16KPirpz4-sHMEwEHAGQd8h6JU-XUtQvgluG6F1a0
contain latest fixes for today like overheat fix