I'm coming here to annonce you the release of my application: TrackAnyMove. With this application you will be able to manage easily your GPS tracker like the TK104. All command/features of your tracker are available and you can add customized commands. All commands are sent by SMS.
List of features:
History of message
Unlimited number of device
This is the first step of this application, I will add more trackers like TK102 TK103... Depending of the user request.