Thank for the work done, just some missing translations. Think of other countries please, English is not the only language in the world.

1/
Ubuntu 13.04

2/
steam-launcher:
Installé : 1.0.0.39
Candidat : 1.0.0.39
Table de version :
*** 1.0.0.39 0
500 http://repo.steampowered.com/steam/ precise/steam amd64 Packages
100 /var/lib/dpkg/status
1.0.0.35ubuntu1 0
500 https://private-ppa.launchpad.net/commercial-ppa-uploaders/steam/ubuntu/ quantal/main amd64 Packages

3/ - 4/
The Dash description and the Ubuntu Software center description should be translated.
-> In DEBIAN/control "Description: Launcher for the Steam software distribution service
Steam is a software distribution service with an online store, automated
installation, automatic updates, achievements, SteamCloud synchronized
savegame and screenshot functionality, and many social features." should be translated.
-> In usr/share/applications/steam.desktop "Comment=Application for managing and playing games on Steam" should be translated.
=> Comment[fr]=Application pour gérer et jouer à des jeux sur Steam
=> ...