This app is for traker tk102 Coban or any tracker who uses gprs protocol string like ##,imei:359586015829802,A;and imei:359587010124900,tracker,0809231929,13554900601,F,112909.397,A,2234.4669,N,11354.3287,E,0.11,; It has several feature:- drawing your tracker movements - draw route between your tracker and your gps mobile position- send sms adminip config- implement stokade feature- others minor featureIf you have any problem contact me.If you need any enhancement contact me.