Space, not a hyphen.

I doubt the OP wants libqt-dev. Generally, "foo-dev" packages are for developers of foo. I don't think the OP wants to develop libqt.

I've just checked my phone and I have a whole bunch of libqt4-* (libqt4-core, libqt4-gui, libqt4-network...). Twimgo lists quite a few of them as dependencies so the OP's best bet is to install CSSU as nokiabot suggested. That will pull the lot.