Launch the Application, in order to activate the hotkey (ctrl+backspace) you must select the menu Preferences/Startup on login. I didn't know this actually existed. Where were you all this time!
I installed version 0.2.10, that I downloaded from Debian wheezy, on debian.org. I just love it. I use it a lot on Mint LMDE 2. Unfortunately, it seems that it's not being developed anymore.
This is THE search and application launcher! Blows Gnome-Do out of the water!
Best launcher ever! Dont know why ubuntu started to buid their own when this does everthing in an extensible(e.g plugins) and ultra fast way Please re-add
not available via Software Manager [mintInstall 7.5.7] or Synaptic Package Manager as of 2014-08-21. This may help: https://launchpad.net/~synapse-core/+archive/ubuntu/ppa?field.series_filter=trusty