e-reader devices

* hi guys(AHCI students) I'm planning to design an e-reader for youngsters in Africa can you suggest me what features ,in specific a smart touch e-reader or shall i have as i'm not sure about their skills and professions

the e-reader shall be with big touch screen or small screen with keys

should e-reader be thin medium sized and light weight so that it could be easily carried in pocket

shall it be provided with a pen and storage files to highlight store and make some notes or just a reader

shall it have synchronize and file transfer between e readers

shall it be with zoom in and zoom out with touch and flip

while reading can we create an option to listen audio as well

shall it be with multilingual dictionaries

the e reader can be provided with projecting option