You can download the latest APK of Server Bridge and free download links are available for download. Basically it is an application that allows a device with a USB-serial converter to interface directly to a TCP / IP network and communicates with applications or Telnet Client Terminal programs.

• Send or receive data to USB-serial device over a TCP/IP network with any Telnet Client Terminal application or program, like HyperTerminal.
• Works as a background service, this means you don't have to keep the app open all the time.
• It allows you to send and receive data between connected clients.
• The data flow can be viewed in ASCII or HEX.

Connect a device with USB to Serial converters, such as Arduino, to your phone or tablet; to send and receive data over any TCP/IP-based network. Server Bridge also allows you to send and receive data between clients connected to the server using special commands. The USB-Host mode is today supported by most devices, but check before with one of several USB test applications if host mode is enabled in your android kernel. You can download it by clicking on below links.