VirtualHome 8 (iOS 8) cydia tweak allows you to use TouchID sensor as home button.
Support the following actions:
You can use those actions to do the following functions:
– Sleep, Multitask, open Siri and activate Reachability
Virtual Home also comes with a feature called “QuickUnlock”.
“QuickUnlock” allows you to unlock or wake up device by touching the TouchID when the phone is in standby mode.
It will consume more battery but Virtual Home comes with options to turn it off automatically after a period of inactivity.
Virtual Home will also unlock your device even if your device is not passcode locked – you can unlock your device by holding the TouchID instead of sliding to unlock.
You can also disable Virtual Home inside any particular app.