Hi
I have seen your requirement of developing Mac application which can talk on cell phones, tablets, and PCs.
It is registered with an email address and must be able to send files like Excel, word, ppt and others.
We are experts in developing mobile application ..We have a very good skill set in iPhone, iPad, Android and Web Development..
We already had done many heavy rated applications. We believe in long term relationship with our every client. If you need more information or having any questions then feel free to ask any.
We will be happy to answer them all. Anticipating your quick and favorable reply... Thank you