Hi, we are a team of programmer located in [login to view URL] have experience developing this kind of application in the past using delphi programming language and siemens mobile phone. It was used as a feature to a radio broadcast application.
Developing in Python won't be a problem because we have gained substantial experience in Python with our recent project, developing CFD based multi-objective optimization software in Python and developing a back end web app in Django/Python.
regards,