Here's a screencast that shows the progress. (My English seems a little less catastrophic than the previous screencast :)
Note: The tests failing on the screencast (Pharo 1.2) are green on Pharo 1.3.
Load TWM with:
Gofer it squeaksource: 'TilingWindowManager'; package: 'TWM'; load.
And ConfigurationOfKeyMapping 1.7 (TWM do not work with 1.8 actually) with:
Gofer it squeaksource: 'ShortWays'; package: 'ConfigurationOfKeymapping'; load. (ConfigurationOfKeymapping project version: '1.7') load.