I was working my most of official work with my android phone and there so many file I can upload and download from it, after few months ago my phone is create’s hang problems and I can not do my Official work properly, so I am fed up with this, after that my friends suggest me Clean master app and for remove temporary files and make my mobile speed fast, and I am all friends are suggested me I just doing according to it, and I am totally surprised that my phone is working very sharply and now I am able to do my work on time, this app is the nice app for all the android peoples.