Yep, the apk is on xda if you want to try it yourself, but this is what
Ricardo Cerqueira (CM developer) said about it:
"Quick guide to a faster, stabler Android: triple wipe, clear dalvik, reset battery stats, format /system regularly, limit the clock when screen is off, use random schedulers (the less characters in its name, the better), amusingly-named CPU governors (the more your 8-year old giggles at its name, the better), and top it off with an off-spec LCD density for improved app compatibility. And now the new hotness, use the less-than-random non-blocking PRNG to mess up the pool used by cryptography and apparently nothing else.
Equivalent guide for a faster, stabler car: Paint flames on the side doors, and hammer a 4x2 plank to the trunk's lid.
Screw this, I'm doing cars."
And commented this on it
"The entropy pool stuff is bullshit. The only users of /dev/random are libcrypto (used for cryptographic operations like SSL connections, ssh key generation, and so on), wpa_supplicant/hostapd (to generate WEP/WPA keys while in AP mode), and the libraries that generate random partition IDs when you do an ext2/3/4 format. None of those 3 users are in the path of app execution, so feeding random from urandom does nothing except make random... well... less random
The only reason devices feel faster is because by constantly polling the PRNG, it keeps the device's I/O in constant use (which in turn, depending on device, will make the CPU stick to higher clock frequencies to keep up)"
