GPS tracking systems have been my focus for the last 3.5 years, so I'm sure I can get this to work provided GPRS/internet is supported by the SIM card in the device.
I have worked with the TK103 many times, and have looked at the gps-trace site as well. According to the site the TK103 is supported, the APN, IP or port may not be configured correctly in the device. Also note that the port is different for the TK103-2
The gps-trace site is built on "Wialon" GPS tracking software, which a hosted SAAS application.
By the way, this project is not an Android project