First time Ubuntu OS project for mobile devices was announced in 2012. Meanwhile Android was working on many bugs on their 4-th OS release called Ice Cream Sandwich. At that time many Android users was still complaining about OS lack of smoothness and stability. So most of them were not so happy with this kind of experience especially first time having Android phones. That’s when even after first release, Ubuntu mobile OS started to make their first steps taking a small part of mobile OS market share by demonstrating its stunning ease of use, smoothness and quick response in every touch.