We can easily switch the project to the Android platform. Navigate to File | Build Settings, as shown here:
In the Build Settings window that appears, select the Android platform, and click on the Switch Platform button:
Wait for Unity to reimport assets for the Android platform. OK, we're ready to test our project on a mobile device!
Note
You need the Android SDK if you want Unity for Android to work. You can download ADT Bundle at https://developer.android.com/sdk/index.html#download and point the SDK's install folder in Unity's Edit | Preferences window under the External Tools tab.
Before we start testing the game, we'll prepare a few things concerning our main menu.