Yo have to do:
# netstat
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 127.0.0.1:5037 0.0.0.0:* LISTEN
……
Following is the step to enable the remote adbd
# setprop persist.service.adb.enable 1
# setprop service.adb.root 1
# setprop service.adb.tcp.port 5555
# stop adbd
# start adbd
# netstat
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 127.0.0.1:5037 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:5555 0.0.0.0:* LISTEN
Then
adb connect 192.168.1.115:5555
adb shell
You are done