Android is an OS by Google based off multiple platform programming languages and is the most extensively used mobile OS after 2013. Apart from being OS for mobile device, it can also be used for other devices. It also provides set of platform software stack enhancing usability of devices. Started with Android Alpha, and the latest public version is Android 10. Android, being an open source allows any user to tweak the experience to their preference by modifying its source code and improves its performance. Exploring Android allows the user to know the inner workings of the system and openness of it in-turn helping to understand the various coding decisions and multiple opportunities for creativity. The main intent of this research is to build the custom ROM utilizing Android Open Source Project(AOSP) which enhances the performance and re-designed UI with customizable option to the user.