WebView implementation: This changes which application is responsible for rendering embedded web content in Android applications. Nowadays, this switch usually doesn't have any effect.

Picture color mode: This switches your device to using the sRGB color space, which used to be helpful in the days before most devices used sRGB by default. It's similar to the above-mentioned Memory screen, but this one is more helpful for checking the current state of your device. Running services: This opens a screen showing you all the applications and system processes running on your device, and how much memory each one is using. This option doesn't appear on all devices.

OEM unlocking: This toggle is required to be enabled when unlocking the bootloader, but it's not the only step for unlocking the bootloader. Enable Bluetooth HCI snoop log: This saves all Bluetooth HCI packets to a file stored at /sdcard/btsnoop_hci.log, which can then be opened with a tool like Wireshark to analyze and troubleshoot Bluetooth data.

Developer android studio