just hit play butto ad cotrol the vehicles with hadle be carefully read the istructio.

VR Roller Coaster is specially design for kids.Control the speed of the trains and be careful to slow down while making tight turns and passing steep slopes and inversions. Let the tightly tuned physics engine create the most thrilling rides of your life as you drop from the skies, make huge loops and whiz through stomach-turning, upside-down tracks!

For iOS:
Safari on iOS 8 and later supports WebGL 1.0, and on iOS 15 and later supports WebGL 2.0.

For Android：
Nearly all of them support WebGL