B4A-Bridge, developed by Anywhere Software, is a free Android tool that enables B4A developers to connect their IDE to physical devices over the local network. This tool includes an internal FTP server that allows browsing the secondary storage with an FTP client or Windows Explorer. The source code of B4A-Bridge is available in the forum.

The main objective of B4A-Bridge is to provide a seamless connection between the IDE and physical devices. With this tool, developers can easily test their applications on real devices without any hassle. The internal FTP server is an added bonus that enables developers to browse the secondary storage with ease. Overall, B4A-Bridge is a useful tool for B4A developers who want to test their applications on physical devices.