Computer application software for mobile phones, handheld computers, laptop and desktop computers, namely, software for transmission and display and viewing of messages, text, images, files, audio, video and audio-visual content and other data for communications between two or multiple users via computer networks; computer application software API (application programming interface) facilitating webRTC (Web Real-Time Communication) for voice calling, video chat, and P2P file sharing instant message and online social networking services
Electrical and Scientific Apparatus