sudo apt-get install choqok 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  libqoauth1
The following NEW packages will be installed:
  choqok libqoauth1
0 upgraded, 2 newly installed, 0 to remove and 11 not upgraded.
Need to get 744kB/772kB of archives.
After this operation, 4,293kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://ppa.launchpad.net/rohangarg/kde-extra/ubuntu/ maverick/main choqok amd64 0.9.90-0ubuntu1 [744kB]
Fetched 230kB in 12s (19.0kB/s)                                                                                                 
Selecting previously deselected package libqoauth1.
(Reading database ... 166483 files and directories currently installed.)
Unpacking libqoauth1 (from .../libqoauth1_1.0-2ubuntu3_amd64.deb) ...
Selecting previously deselected package choqok.
Unpacking choqok (from .../choqok_0.9.90-0ubuntu1_amd64.deb) ...
Processing triggers for man-db ...
Processing triggers for hicolor-icon-theme ...
Setting up libqoauth1 (1.0-2ubuntu3) ...
Setting up choqok (0.9.90-0ubuntu1) ...
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place