Developing a cross platform Ebook Reader for mobile platforms

Requirements: 1. E-book reader app will have few ebooks for free. We will add contents(e-pub or PDF) via our store(In-app purchase) and from the device itself if any. Once contents file is added, app's library shows files title. then those files can be read by touching title in the library on the screen. [login to view URL] Once those files are read, next time, those files have to restart where the user stop reading before. [login to view URL] turning right to left with Flip Effect. The contents to go right to left like reading real book. [login to view URL] in and out User can easily zoom in and out. Amount of pages will increase when user zoom in. Page size will not expand to side ways when user zoom in. i.e content reflow option should be there. 5. Search functionality - User can search the eBook by title or the eBook content. 6. Category - We will divide the 12000 ebooks into the different category so that the searching and finding out a particular eBook can become easy. 7. In-app purchase - We need to implement the payment gateway and a server setup for 200 GB eBook content. (Table of contents, Author page and few pages of the first chapter free etc) 8 Gestures - User can delete or comment on the ebook using swipe or double tab gesture. [login to view URL] app should be every device compatible. There are many kind of mobile phone or other devices to download this app.(especially Android apps) I want every device display app uniformly (If a user has multiple devices then the content should be available on all of them as well) [login to view URL] code to be delivered including code illustrative comments. 11. Application should have excellence performance. 12. Inspiration for GUI could be taken from kindle ebook app, Apple's ebook app etc