This is not the typical app found on the Play Store. There are no "universal settings", some phones support all features, while others do not, it is stable on some phones, but fails on others and is updated regularly, depending only on the developers.
The Gcam Brazil site only makes available in an organized manner the versions of Gcam for each make and model, not us, the developers of Gcam. Below are some of the mod Gcam developers
Support: Mi6/Mix 2 (API2 Level 3 - Snap 6xx e 8xx)
Support: API2 Level 3 - Snap 6xx e 8xx (Xiaomi/OnePlus/Samsung)
Support: Nokia 7 Plus/A2/6X (Snap 660 e similares)
Support: Mi9 SE/Redmi Note 7/Mi8/Pocophone/Mix2S/Mix3/Razer
Support: API2 Level 3 - Snap 6xx e 8xx
Support: Pixel 1/2/3
Support: Asus Max Pro M1/M2 e Mi8 Lite
Support: Redmi Note 5 (similares) / Nokia 8.1
Support: Mi A2/6X (similares) - Snap 6xx
Support: OP3/3T (compativel com diversos modelos)
Support: OnePlus 3/3T/5/5T/6/6T
Support: Samsung - Snapdragon e Exynos
Support: API2 Level 3 - Snap 6xx e 8xx (Mi9 / Similar Arnova8G2)
If you have a configuration or use a better version of Gcam than the one available on the site, let us know! It will be a pleasure to have the best versions and configurations for each device.