The devil kernel has a function like this, dual boot, but it works for some and for some others it doesn't, works with aosp roms 4.4.* and TouchWiz 4.3 check it in the original development thread
Sent from a Sprint Note 2 GSM unlocked
Google Glass Explorer Edition Stock Unrooted for "warranty purposes..."
Galaxy Gear 1 Powered by Null Rom
Sprint Samsung Galaxy Note II (SPH-L900) Sim Unlocked
Kernel: Stock 4.4
HTC EVO 4G LTE (Retired) HBOOT: 2.09 S-OFF (DirtyRacun-RabiesShot-BabyRacun); T-Mo Mytouch 4g (Glacier) rooted, s-off, sim unlocked, iPhone 1 (aka 2g), 3g, 3GS, 4, jailbroken & unlocked (sold them all to get my Evo!)