Development Mobile computing Android (Electronic resource) 4 Application software 4 Programming 4 iPhone (Smartphone) 2 BlackBerry (Smartphone) 1 Computer programs 1 Computer software 1 Cross-platform software development 1 PhoneGap (Application development environment) 1 Security measures 1 Smartphones 1 Threads (Computer programs) 1 iOS (Electronic resource) 1 iPad (Computer) 1