Over at TalkAndroid they have news. It seems Lojack is getting into phone recovery and the Galaxy S4 will be their first support device.
http://www.talkandroid.com/163123-lojack-launches-phone-recovery-service-with-the-samsung-galaxy-s4-as-its-first-supported-device/
http://www.talkandroid.com/163123-lojack-launches-phone-recovery-service-with-the-samsung-galaxy-s4-as-its-first-supported-device/