Note: On Ubuntu/Linux, make sure to enable 3D acceleration mode by launching VirtualBox and going to Settings -> Display to fix.
VirtualBox cannot start the virtual device Note: if starting Genymotion you see the following error: Unable to start the virtual device
for Mac OSX, the directory is /Users//Library/Android/sdk.
Many Android developers do all their device testing using this emulator especially when Google Play services is concerned. Genymotion is an incredibly fast, memory-efficient VM that runs the Android OS in a more accurate manner than even the official emulator. Genymotion can only be downloaded for a 30-day trial. NOTE: The recommended approach is to use the emulator provided with Android Studio via the AVD Manager.