I need Android SMPP server application for sending/receiving SMS messages via phone

General information for the app: The app must act as a SMS router between carrier network and a SMPP server
Kind of development: New app from scratch
Num. of web pages/modules: 1
Description of requirements/features: We're looking for an android app development similar to this one: http://bit.ly/1MG1lG4

Here's some specification lines:

* Very simple UI, no need for a modern complex UI, just like the given example, a button for activating SMPP server and maybe a counter of how many sent SMS over the wire.
* The app must expose a standard SMPP server so the user can send and receive messages through the server, here's a simple high level schema for better understanding: http://bit.ly/1STyqNC
Specific technologies required: Android, Java, SMPP stack
Similar urls: http://bit.ly/1MG1lG4
Extra notes: * Developer must rely on a stable well-known smpp api stack
* Developer shall provide his rates for further evolutions after first accepted delivery
* Sending messages through Whatsapp, Viber, Telegram and other data-plan based apps is a plus if the developer can do it
* Application, codebase and documentation are the exclusive property of Jookies, our company

If we're happy with the delivery, next step will be to add a SIP server for enabling GSM calls from the phone through a SIP trunk