We are a thermal printer manufacturer based in India (Mumbai). We have the perfect solution for your requirements. Please see the following [link][1].

We can also provide the sample apk file to you, and the SRC code to integrate the printer with your application. If you want more information, please contact us.

Thanks & Regards,  
Sachin Nikam

Sales & Marketing Executive  
Maestros Electronics and Telecommunications Systems Ltd  
EL 44, TTC Industrial Area, Electronic Zone, Mahape,  
New Mumbai - 400710 (INDIA)  
Tel: +91 - 022-41193100/200  
Mob: 09167630149  
 
http://maestroselectronics.net/
  [1]: http://www.maestroselectronics.net/PrintingSolutions/Products/2bluetooth_printer