Imagine you have a big TV screen that covers your whole face! Cool, right? Well, that's what Google Daydream is - a special thing to use with your phone that lets you see things like you're really there.
Let's say you're playing a game on your phone, but you want it to be bigger and more exciting. That's where Google Daydream comes in! You put your phone inside a special headset that looks like a pair of glasses. Then, you put the headset on your head and... voilà! You can see the game all around you like you're right in the middle of it.
You can also use Google Daydream to watch videos or look at pictures in a really fancy way. It's like having your own little movie theater or art gallery right in front of your eyes!
But wait, there's more! Google Daydream also has a special controller that you hold in your hand. You can use it to move around in games or even draw pictures in the air! It's like having your own magic wand.
So, in summary, Google Daydream is a fancy gadget that makes it feel like you're really inside your phone games or videos. It comes with a headset and a special controller so you can see and interact with things in a really cool way.