EasyTCP is a TCP test tool. It is easy to use, can be used for communicating with Android phone, or other devices (like cellphone, MCU, Arduino or Raspberry Pi).
EasyTCP features:
Supports TCP client and server mode.
Supports the use of GPRS connection.
Select an appropriate character set to communicate.
Can be used to communicate with other android phone.
Can be set to ASCII or HEX display mode.
Can be set to terminal or chat view.