Unfortunately for users of legacy devices, Greenify is only compatible with Android 4.0 and up. And while the vast majority of users have already switched to newer OS builds, there are still those who can’t afford or don’t feel the need to upgrade to newer devices. And since the app is closed source, there isn’t a chance of backport.
Luckily, XDA Forum Member liudongmiao made an Xposed module designed to work withGingerbread version of Xposed Framework. The module functions quite similarly to Greenify, but it doesn’t require more modern versions of Android.
http://forum.xda-developers.com/xposed/modules/mod-prevent-running-greenify-supporting-t2757969
http://www.xda-developers.com/android/get-greenify-like-functionality-on-gingerbread-with-xposed/
Luckily, XDA Forum Member liudongmiao made an Xposed module designed to work withGingerbread version of Xposed Framework. The module functions quite similarly to Greenify, but it doesn’t require more modern versions of Android.
http://forum.xda-developers.com/xposed/modules/mod-prevent-running-greenify-supporting-t2757969
http://www.xda-developers.com/android/get-greenify-like-functionality-on-gingerbread-with-xposed/