Smartphone Board

^ This. Also, reading back through the advice so far, the group is spot on about avoiding tempered glass if you want the stylus to actually work right...

Can vouch for this

Seconding the recommendation above. Saw this earlier but honestly had to weigh in because safety is SO important with these high-wattage setups. Basic...

For iPhone 14 Plus I would also check the compatibility. Do you need MagSafe support?

Would definitely take OtterBox Defender Series for Samsung Galaxy S23 Ultra. The quality is excellent The product includes all features you need.

For iPhone 12 mini I would definitely pay attention to the fit, especially if it's about cases.