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I want to develop a apps similar to this features
you can download the apps for more details
also i can suggest you what design i want i want a basic design for this apps
Plz go through this ling for the design help for this apps
download this on android
Here is the tech details
BLE 4.0 technology - http://www.semiconductorstore.com/cart/pc/viewPrd.asp?idproduct=47954
The micro-controller is incorporate with the Bluetooth.It is the latest technology used in Galaxy s4, note 3 etc.
Only serious Bidder Needed I must proffered India Kolkata base developer.