Android "Lollipop" (codenamed Android L during development) is the fifth major version of the Android mobile operating system developed by Google, spanning versions between and Unveiled on June 25, at the Google I/O conference, it became available through official over-the-air (OTA) updates on November 12, , for select devices that run distributions of Android serviced Developer: Google. How to Install Custom ROM and Android Lollipop Gapps on any Android Device. Step 4) Start your device in to recovery mode by using specific key combination. Step 5) Once you are in recovery, you have to format the system and clear cache. Step 6) Finally, you can install Custom ROM and Android Lollipop Gapps by navigating to “ Install zip from SD Card > Choose zip from SD Card > select zip file Author: Sohil Memon. Android Lollipop has finally begun to arrive on millions of devices worldwide, in addition to the new Nexus devices that also began shipping this month. With this upgrade, Android takes a big.