Hi there... I'm not a pro here but I'll just share some things I know about it. Gorilla glass is a cover glass for mobile phones and tablets. It is said to be scratch-resistant and also more durable and doesn't break easily, you know, that kind of thing when you accidentally drop your phone and it's glass shattered into pieces? (heartbreaking!) With gorilla glass, it won't, though it might have cracks on it (if it really fell that bad). Based on experience, gorilla glass is true to it claims. I bought my Oppo R7Plus two years ago. Though how cautious I am when using my phone, but with kids around dropping it can't be prevented. Yes my Oppo R7 plus had already fell several times from tables and stairs, and it was even thrown by my toddler. Thankfully, it's still intact. though the last time it fell and badly hit the edge, it got some cracks but still didn't affect my phone's performance. I can compare it to my Samsung S8+ (not a gorilla glass), my preschooler was using it and he accidentally fell from his knees and the phone hitting the floor face down, so there, my S8+ screen was doomed! Haven't had it fixed until now because it is really pricey! So now, whenever buying a phone I also take into consideration if it's display screen is made of a gorilla glass or not.