How to speed up the Android Emulator by up to 400%, Nuxeo Developers Blog. Badly blogged, as we will probably soon play around with apps and the Android simulator is extremely slow - testing with it makes almost no sense, as with Phonegap applications, you could outperform the browser rendering with paper, pencil, and eraser, so slow is the image build-up. With the solution here, you don't have an exact test of an Android device, but at least for the first feeling tests, it should be sufficient, as with Phonegap it is more important that the rendering engine is the same than that the CPU is the same.