Update: Google Play Store link is now back online. The developers have also clarified that the APK downloadable from Github is not from them.
Custom Android ROMs each have their own highlight characteristics. A prominent feature on Paranoid Android, for example, is Peek, which gives enhanced access to notifications, which are available through motion-detection. For example, simply lifting your smartphone from the table or taking it out from your pocket wakes up the screen, and shows you actionable notifications right from the lockscreen.
In the developer’s own words:
The design philosophy behind peek was to deliver a smartwatch convenience. When you [...]
Customization is one of the stronger points of Android. With a multitude of tweaks in UI and functionality, the platform enables users to incorporate more of their personality and needs into their devices, compared with, say, iOS. While for some, customization is skin-deep — like themes, wallpapers and graphics — others take rooting their devices as an avenue to do even more drastic customizations.
But even supposedly skin-deep customizations might require root. For instance, changing icon packs in stock launchers might sound mundane, but in most cases would require root. If you wanted to change icons, you could either switch to popular launchers like Nova, [...]