Because support of mobile apps by these vendors will ensure that we, the consumers, get to enjoy their Apps on platform of our choice. A platform that is surely growing, but facing obstacles because of lack of support from these and other vendors. These are just a few apps that can be developed for Windows Phone platform so the users of this platform can also enjoy the same freedom as Android or iOS.
Please support your Apps on Windows Phone Platform and help the consumers make a better choice and not tie-in to one eco system.
This petetion will be updated with more app requests if consumer demand it.