HyperDevBox is a development company based in Tokyo Japan, developing games exclusively for Android. They are presenting Spectral Souls for Android, the first tactical RPG game for Android and explaining how the Android Native SDK is being used to run native C or C++ code, there is no Java code at all in the game.
Device Anywhere provides test center service for app developers, carriers, service providers to test apps and services accross all the devices using some kind of standard for testing. Basically they make it automatic to test stuff across all devices that people use on the market, to test and see what features may work more or less well.
ExB Communication Systems GmbH presents the PTPT touch screen interface, a suggested UI to manage "all the information around you". PTPT stands for people, things, places and time. It's an Android Home Replacement that will be available in the Google Marketplace next month.
http://endomondo.com is a sports tracking system, that works on all the major smartphone platforms, and includes an online community, to compare running routes, compare running performances, in any city, you can see an overview of all the people that are running right now, it can also include real-time speech synthesis to read up comments or comparing your running speed with someone else you want to beat in the community.