Hello,
My name is Rafael Piernagorda, CTO on Digital Drimz in Spain.
We have several persons working and we are able to take this work forward. You can check our portfolio in our web site: [login to view URL], most of our projects have been developed in Android. This is why we believe that our bid fits perfectly into what you are looking for. I hope we can work together to have a quality work. Check our website: [login to view URL]
For more details [and a best fit budget] we could communicate with private message and discuss about what do you need to encrypt.
Best Regards.