Java script on both server side and client side..
Python or Ruby on rails
App style ,image ,site elements
Back up on app's data
Hosting of app in cloud environment.
Data transport and its security
Encryption of data
Https i.e SSL certification
GeoTrust certification for free
Admin panel to control the features of app..
50 freelancer đang chào giá trung bình $2374 cho công việc này
Hi, I'm Sid, a Software Engineer working. I have extensive skills with c++, Php, java, Android and Python of four years. Knock me up if you need it ASAP !!! .................