Wireless Application Protocol (WAP) is a technical standard for accessing information over a mobile wireless network.A WAP browser is a web browser for mobile devices such as mobile phones that uses the protocol.Before the introduction of WAP, mobile service providers had limited opportunities to offer interactive data services, but needed interactivity to support Internet and Web applications such as: Email by mobile phone Tracking of stock-market prices Sports results News headlines Music downloadsThe Japanese i-mode system offers another major competing wireless data protocol.