Free Xperia Teams kernal for cyanogen mod Xperia play (GSM or CDMA)
The Free Xperia team have created kernals for the xperia play for runnig and installing cyanogen mod software, Cyanogens offical kernal included in all releases for xperia play. These are over clocking kernals with clock work mod recovery built in, to be flashed with fastboot. There are many diffrent versions of these kernals each one is made for the version of cyanogen you want to run they will be included inside the cyanogen zip file download, for instructions on how to flash to phone please see using fastboot instructions in basics or the installing cyanogen mod instrution for full details.
Note, only for unlocked bootloaders
more info =
To enter the recovery menu power on the phone in the first 5 seconds of booting tap the bottom volume key on the side of the xperia play to enter.
Buttons - vol up and down = up and down , power key = enter , home key = back