There are plenty of cheap smartphone VR goggles on the market. The FirstVR Headset lets you do more. It combines with the UnlimitedHandLite motion controller, so you can use your hands to interact with virtual objects. Simply mount your smartphone into these goggles to get started. iOS and Android devices up to 6 inches are supported.
UnlimitedHandLite has a 14-channel optical active sensor, so you can use your hands while viewing VR content on your smartphone.