Official mobile application site 4PDA.ru. 4PDA.ru - the largest thematic resource on mobile devices in runet The app allows you to: - Read news, articles and reviews - Read comments of other users to the material and leave your comments. - View the lists of forums and topics. - View topics - Write new and edit existing posts in Topeka - Upload and download files attached to posts - Search the forum and site content - Add, delete, and browse the list of Favorites - Create new and reply to conversations QMS