ABSTRACT
Security of apps is becoming one of the major concerns today. Android mobile phones are the most popular way to access social sites, mails very easily. Many applications are available for android users to protect their applications. But, these applications are not enough to provide high end security. So this paper focuses on the new techniques for providing better security to the android apps that will remove the attacks such as shoulder surfing, sharing of password attack, guessing attacks etc. To address these attacks this paper introduces different password schemes. This paper elaborates the survey done for 4 techniques and the attacks they can withstand.
