Equally important is knowing the range of devices available in the market place - both today and in the future. They may not all apply to your wireless application and development process but consider them a convenient check and balance against what you may have discovered already. Sometimes it s best to begin with the obvious. Form factor issues are primary considerations in any device selection and something you re not likely to overlook. But just like a great magic trick, there is often more to wireless devices than what meets the eye.
Screens are a good example.
For instance, you may have a minimum display size in mind for your application. Or maybe you know a touch screen works best for the level of navigation required. Display technology varies from device to device as does screen resolution. Having more screen real estate doesn t necessarily ensure higher resolution or better-looking graphics. Sometimes higher screen resolution results in smaller fonts, which affect readability.