Tired of debugging the same malfunction over and over on different devices? Then you should really give Testdroid cloud a try. Testdroid cloud can run all of your existing Android tests with no particular integration required.
Cross-device testing is not only about spotting "broken pixels" in the UI, it is also important to detect side-effects, memory and performance issues or device specific malfunctions. Thanks to Testdroid cloud you can easily check CPU and memory usage as well as reading the whole logcat of your test suite.