I have a Samsung Galaxy S9+ and when I go to my college the phone doesn't connect to the wifi there, but it connects to the wifi at home, like at college it shows that the wifi has no internet but the others around me can connect to the wifi easily, ...

In camera app, make it so tthat you can play audio/music in the background, while recording from the camera, add a feature to the lockscreen that , if music is playing around, it can guess the name of the song.