Delphi and C++ Builder library for Android to handle Zip files.

uses Zip4j library
available for Delphi/C++ Builder XE6-XE7
source code included in full version
royalty free distribution in applications

WebSocket is a web technology providing for bi-directional, full-duplex communications channels, over a single Transmission Control Protocol (TCP) socket. The WebSocket API is being standardized by the W3C, and the WebSocket protocol has been standardized by the IETF as RFC 6455.