Tempered glass is an extra layer of protection for your device that does not compromise the touchscreen. That is, by using the smartphone you can achieve normal navigation without the finger "grabbing" the phone so you can enjoy all its features.
PROTECTS IN CASE OF FALL?
Yes, protect! The main purpose of tempered glass protection is to prevent your smartphone's touchscreen from breaking easily or being scratched, especially in small drops. But this does not mean that the film will be 100% efficient in all situations, however its use substantially increases the protection of your equipment!
Although some companies promise unbreakable screens, the material used is still glass: it is durable but nonetheless glass. So applying a tempered glass film is undoubtedly an asset in protecting your smartphone because it will absorb the impact of falls, accidents or sharp objects while minimizing damage.