Creating a login page and Captcha

[1:30:57 PM] Fernando Laughlin: Need to create android application for Login and user verification with captcha like maze ,sudoku and tetris. During creation of user login ,the game is played and pattern is created as captchA which is stored by the application. User needs to enter the same captcha ( pattern created in the game during sign up) to login into app. [1:31:35 PM] Fernando Laughlin: We want a login pass which has authentication captcha captcha initially is played by user such that captcha is a game and when game ends a pattern created is saved as captcha. This saved captcha , username and password let's user login Later If captcha is changed user can't login