Have you tried the Miui Millet beta? Gives you most of the Miui features but installs as an APK, http://xitong.xiaomi.com/index

Just translate the page to your language or the left green box is the download, the right one brings you to a forum discussion.

Moto X Dev Edition
LG Nexus 4
Nexus 7
HTC Sensation
Samsung Fascinate
Nook Color
Android has the best developers!