If you log on with your phone it should display the mobile app. In the desktop app their is a link to Mobile version at the bottom of the page. In the mobile app there is a link to Desktop version so you can use any feature on your phone just not as easily as the features supported by the mobile app.
Gamer+ runs on Oxwall. Oxwall supports plugins. So Oxwall developers improve the program and the community also adds feature as plugins. I have not written any plugins for Oxwall yet but I have written plugins for Elgg, another social networking platform. So it is possible for me or another developer to add Gamer+ specific features and it is also possible to add features using already written plugins.
okay.. it appears it has another format, but its not an "app" its just a different view build for mobile. I suppose I could make a shortcut safari icon for my homescreen.. was looking more for an app from the app store. thanks :)