Ive read about the fake overclocking apps that are housed in Cydia, but is there no REAL overclocking? Like a custom kernel or something? I cannot find any.
The bugs of android usually come when the phone companies infuse their own shit inside (eg TouchWiz or HTC Sense).Go with a device that has android 2.3.3 or higher or 4.0.4 for least lag and drag and bugs