On the 7th of November 2019, Wednesday google announced the mobile apps defense alliance on the play store. It reinforces the security rules and regulations to prevent any bad app from entering the play store. And it is all about the security of the users because there are more than 2.5 billion android users, and the number of mobile apps on the play store crossed the 2.9 million by March 2020. The probability of bad activities has increased. But now the App Defense Alliance has raised the scanning of every app before they are listed on the play store.