Thanks Meter 1521
Join Date: Aug 2011
Location: under philadelphia above Delaware, beer heaven
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you can use it just fine on most 4.4 based roms.
many people use it
prepare yourself for a very VERY long boot time on the initial reboot after switching to art if you decide to. it takes much longer to optimize the apps(like when you wipe dalvik cache, like that, but LONGER) and also takes up significantly more space in system or cache partition or something, so if you used a LARGE gapps package you might run out of room on system partition, but you should be fine most likely, just make a nandroid backup before switching to it in case something goes wrong and you can't switch back all you will have to do is restore your backup