A modular smart phone is a Smartphone that is made up of different components that can be independently upgraded or replaced in a modular design. Their main aim is to reduce electronic waste and lower the repair costs and increase the user comfort.
The most important component in the main board are cameras or batteries and they are in turn attached to others components in the mobile phone. These are packaged in easy-to-remove modules which can be replaced as needed without having to rework the soldering. These components are obtained from open-source hardware stores. You can get variety of smart phones with latest features at http://www.prezzoSmartphone.com/.
A Smartphone is a cellular telephone with an integrated computer and other features not originally associated with telephones, such as an operating system, Web browsing and the ability to run software applications. The first Smartphone was IBM's Simon, which was presented as a concept device (rather than a consumer device) at the 1992 COMDEX computer industry trade show.
Some major features of Mobile Application are as follows:
1) Application framework.
It enables us to reuse and replace the mobile components.
2) Process virtual machine.
It is machine i.e. used to optimize mobile devices.
3) Integrated Browser.
It is the open source web kit engine.
4) Optimized graphics.
It is powered by a 3D graphics.
5) GSM technology.
6) Camera, GPS, Compass, etc.
7) Media support.
8) Bluetooth, EDGE, Wi-Fi, 3G.