Tempered glass is an extra layer of protection for your device that does not compromise the touchscreen. That is, when using your smartphone you can get a normal navigation, without your finger "grabbing" the phone so you can enjoy all the features of it.
Protects in case of fall?
Yes, protect! The main purpose of tempered glass protection is to prevent the touchscreen of your smartphone from splitting easily or scratching, especially in small drops. But this does not mean that the film will be 100% efficient in all situations, however its use increases in a substantial way the protection of your equipment!
Although some companies promise unbreakable screens, the material used remains glass: it's tough but it's still glass. Therefore, the application of a tempered glass film is undoubtedly an added value in the protection of your smartphone because it will absorb the impact caused by falls, accidents or sharp objects, minimizing damages.