Supported SMS commands:
WIPE
- Performs device wipe, external SD left untouched
FULL WIPE
- performs device full wipe, e.g. same as previous but alsowipesexternal SD
REBOOT
- does a reboot
LOCATE
- will send GPS coordinates back to you via SMS
PING
- will simply reply with "PONG" message to confirm that appisalive
What to build it yourself? Get source code from https://github.com/quarck/liberatete