Interview Preparation Guide Android OOP description

This app for those Software Engineers who have to search on internet about OOP ,Android ,Data structure,Design Patterns etc. every time they have interview and most of the time they miss many topics. So i decide to make an App which helps them and they don't need to search on internet. This App also have many programs and concepts which many people asked me in different interviews in Leading Software Houses.

Note : This App is for Fresh up to 5 years Experience People. if you found any mistake or have suggestion please contact me
if you are right i will add your name in the contributors list