Android tips
From ITSwiki
Track or Erase your Android Phone
With Google's Android Device Manager you can see your phone's last known location on a map, find it by making it ring for 5 minutes or erase it if it gets stolen.
See Google's description: https://support.google.com/accounts/answer/3265955
or go to:
google.com/android/devicemanager
Access files with ftp
For webserver files or Linux home directory on Compute Servers
ES Filexeplorer (from Play Store) can access via FTP
Choose Ftp, sftp server:thinlinc.compute.dtu.dk your username and password