PhoneGap is an Open Source framework that helps build hybrid applications which work on most mobile platforms such as Android, iOS, Blackberry, Windows Phone among others.
the advantages of using PhoneGap:
• Write once, run on multiple platforms
• Extend functionality using native plugins
• Cloud-based build system (Phonegap Build)
• Uniform design across platforms using a framework like Bootstrap
• Native look and feel available using a framework like ionic framework
• Access to all device capabilities.