Google cardboard is my personal fabourate gadget.i use this gadget to strem my vr videos and turn my samsung galaxy s4 to virtual reality viewer.there are so many vr apps available for google cardboard but I oersonaly used street view, roller coaster and titans of space.
I like the quality of this product.its really cheap and useful we can also watch youtube 360 videos with the help of this gadget.i recommend my frnds to use this product for watching horror movies.
