Android App - Photos Gallery (MYSQL/PHP)

Its very simple project for those who are good in android apps, I have an existing website which running Photos Gallery (over than 300,000 pictures) (JPG, GIF, PNG) I want to give option for my users to access to my gallery through Android App. *** Design Part : Front screen (main) : - Main website logo showing on top - Show login user status ( Welcome XXX , or Please login/Register) - Show main Photos Categories Thumbnail list (with option to change view x4 or x6 or X12) - Show latest Photos added. - Other screens (End Users) - Search Photos with parameters of (Resolutions, Size, added time , Categories) - Albums list for chosen Categories Thumbnail list (with option to change view x4 or x6 or X12) - Photos list for chosen Album (Photos Thumbnails) with lazy load at the bottom of the screen - View Photos options (Download, Comment, Send link, Copy link) - Upload new Photo . - Edit Photo (Name, Desc) . - Delete Photo (Owned Photos) - Add Comment - Edit Comment - Delete Comment . - Admin Screen : - Can Delete any Photos - Can Delete any Comments. *** Other Coding Requirement: - Remember Login details. - Header and footer can have google adsense (320x50 pix) *** Some more details Required : - Connect to Mysql 5.5 DB to get the data (PHP 5.3.20 & Centos OS 5.8) - About 10 Tables to get data from it ( users tables , Categories Table , Ablums table , Photos Table , Comments table and others) - App should use best practice to load data with out effect server load (load balancer). - Code should bee highly secured against ( hackers , SQL injections , virues , spams and others) - Code should be use to fully customizations in feature ( easy to change logo , colors , and fonts) . - Code should be well documented (inline) . - Code should be use unicode charset (multi-language support) - Code should be 100% open sources . Note: I will use my own graphic design - Logos, Buttons, Header , Footer .. etc Hope all requirements clear and understandable . Regards, AlNadabi