The spectator opens a webpage showing a blog about cubing (cubing.rocks/your-username) on their phone. You tell them some facts about the cube, which you've read in the blog. Then you give them the cube to mix... and the final pattern will match the image on the blog page (photo in 3rd article). It's an unbelievable coincidence!
The spectator mixes the cube, then they take a photo of the mixed cube with their smartphone (or camera). Then they mix the cube again... You are turning away for all this, so you don't have a clue what's on their photo, and how they mixed the cube afterwards. Still, you can "solve" the cube behind your back, so it will match the pattern on the photo they took.
You give the cube to the spectator, they mix it, and you take it back without ever looking. Then you pretend to solve the cube behind your back, but when you show the cube, it is not solved... it has the predefined pattern you have set in the settings.
You show the spectator a packet of cards, each displaying 3 sides of a mixed cube. There are 18 patterns and all of them are different. You briefly mix the packet face down, then the spectator picks one card (you don't see the pattern). Then you give them the cube to mix. When they are ready, you take the cube back without looking, and "solve" it behind your back so that the cube will match the pattern on the selected card.
The spectator mixes the cube, and keeps the cube in their hands. You try to sense the colors from a distance, without ever looking at the mixed cube.... "Is there a GREEN in the center somewhere?" - you ask, and the spectator looks for the green side of the cube... you then name every color on that side.
The spectator names their favourite color (or any of the six colors) from the cube. You give them the cube to mix, then take the cube back without looking, and "solve" it behind your back. Actually you don't solve the whole cube, only one side - which has their selected color!
You introduce two cubes, and give both of them to your audience to mix. Then you take one of them (either cube) without looking, and "solve" it behind your back so that the cube will match the other cube (the one they kept for themselves).
You show a virtual cube on your phone, which can be mixed with finger swipes. You also show a real cube. Then you try to make a prediction on the phone, while the spectator is mixing the real cube. You put your prediction (the phone) face down, and wait for the spectator to finish mixing the cube. When they are ready, you turn over the phone, and match the virtual cube to the real cube - and they are identical!
The spectator opens the blog page (cubing.rocks/your-username) on their phone, and you talk about some cube facts you've read there. Then you show a virtual cube on your phone, which can be mixed with finger swipes. You give it to the spectator, who can mix the cube on the screen. When they are ready, you ask them to scroll down the webpage on their phone to the 3rd article, and look at the photo: it shows the same pattern that they've just mixed on the screen!
This routine can also be performed via a video chat (like Zoom). The spectator opens a web page showing a virtual cube on their phone (or computer). They can mix the cube (with finger swipes or using the mouse) and you will clone their virtual cube using a real cube - blindfolded or above your head.
This routine is similar to the WEB-cube cloning routine, except you can start cloning as soon as they start mixing the virtual cube. This way you can do the cloning off-camera (so they don't see it) and you can reach for the cloned cube (like it was in your drawer the whole time) as soon as they finish mixing.
You introduce two cubes, and give one of them to your audience to mix. Then you take the other cube (a regular one, without Bluetooth!!!), and "solve" it blindfolded so that the cube will match the other cube (the one they have mixed).