You must implement a small virtual museum with virtual reality software (UNITY + GVR) or software augmented reality (artoolkit).
1. Ability to view different models (minimum 4).
2. Manipulation of models (eg GVR to select a virtual model and give returns (automatically or accelerometer), and in the case of AR could change their orientation with respect to translation or coordinate system marker).
3. Navigation (to move the camera to the virtual environment)
4. Ability to modify the virtual lighting and material properties assigned to objects.
You can make your models with any modeling tool (3dmax, Maya, Blender, etc) models or search the Internet or the Unity Asset Store.