As requested, post here for solution.
Was testing the apps. Noticed it was simply overpower by task kill or memory clean and unable to monitor apps installed at child device HM 1S. Its don't since updating on apps installed on child phone.
Child phone information
Phone Model: XioMi HM 1SW
Android version: 4.3 JLS36C
MIUI Version: MIUI-JHCMIBL50.0