Tried it in the web browser on my laptop and got the "It Works!", so I dont really see how this would indicate anything about an Infinity's ability to unlock.
Current phone - Nexus 4 16GB (CM10.1 RC2)
Current Tablet - Nexus 10 32GB (CM10.1 Nightly)
Previous devices - Motofail Backflip (CM7.2 Stable), Motofail Atrix 4G (CM10), HP Touchpad (CM9), Asus Transformer TF700 + dock (rooted stock ICS), Nook Color (CM7.1), Samsung Blackjack II (WinMo 6.1)