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* [[https://developer.nvidia.com/codeworks-android Nvidia AndroidWorks]] provides all the SDKs needed to port a Unity or UE4 application to Android* [[https://developer.android.com/studio/index.html#top Android Studio]] is Android's all-in-one-suite for developing Android applications, and is useful for debugging and many development tasks. It also fulfills required SDKs.* [[https://developers.google.com/vr/unity/ Google VR SDK for Unity]] (works for both Cardboard and Daydream)* [[https://developers.google.com/vr/cardboard/overview Google Cardboard Developer Overview]], and the official [[https://plus.google.com/u/0/communities/111524380182206513071 Cardboard developer community on Google+]]* [[https://developers.google.com/vr/daydream/overview Google Daydream Developer Overview]]