That is an unexpected turn. This means a noisy marketplace. Very noisy, with lots of apps that won't run on every machine. Well, by then I'm sure some enterprising young tech start up will have swooped in and solved the question of the day: How do you separate the good apps from the bad and how do you ensure they'll run, when the install base is as diverse as phones, netbooks, laptops, desktops, servers, picture frames, television sets and set-top boxes?  More in the links below.

Android: expect a user base of billions by 2012 | AndroidPrime

Amongst
the mobile phones, smartphones and netbooks count every installed copy
of Ubuntu. Canonical is embedding support for the android core and
android apps in the next point release of Ubuntu - the worlds most
prolific version of Linux.

Canonical giving Ubuntu the gift of Android apps

Canonical already has a working prototype of the execution environment, and plans on making the necessary changes to the kernel in its next version of Ubuntu to give Android all the juice it needs at the core level and will open source the project soon.