iphone and ipad and android apps

hello i have [clipshare] script on this site [login to view URL] please see also the mobile version of the site [login to view URL] u can translate the pages from Arabic to your local language by google translator and i wanna to make an apps on iphone and ipad and android that include 1- all videos 2- last videos 3- last viewed 4- feature videos 5- random videos 6- groups 7- channels 8- sign in & sign out & sign up system 9- add videos ( it grab videos from youtube , it's not actually upload any thing ) 10 - search and if u can ( it not necessary ) 1- book mark system 2- user profile management i have all permissions in the site and can make any modification u want on the site like make custom rss or json or any thing u want by php programming