[caption id="attachment_153070" align="alignright" width="194"] Hessam Armandehi, left, the chief executive and co-founder of Caf Bazaar with some of the Android-software companys staff, is one of the many entrepreneurs cultivating a technology hub in the countrys capital city. PHOTO: BENOIT FAUCON/THE WALL STREET JOURNAL[/caption] TEHRANDecorated ...