If you have decided to flash Android Lollipop based ROM on Galaxy S2 Plus then first read the complete tutorial to enjoy Material design UI and other offered features of Lollipop.
Rocking Xperia TX? CyanogenMod 12 based on Lollipop now arrived for Xperia TX users. Follow this post to install Lollipop based CM 12 ROM on Xperia TX with more new features.
If you have jailbroken your iPhone or iPad and installed Cydia and wrecking your head to get the best Cydia apps for iOS 8.1.x running device, follow this post get the best tweaks
If you have rooted your Android tablet and installed custom recovery on it then this post will help you get the best Custom ROMs for Android Tablets, download links are also included