Using this app, you can send donation to tribalfs on XDA for those who cant donate using PayPal. Donation will also unlock GMHs premium features on your particular device* as provided by tribalfs on XDA developers forum.Galaxy Max Hz is created primarily for Samsung devices.Compatibility with other brands is not guaranteed. Some features may not work.Galaxy Max Hz features:Refresh Rate Features- Adjust minimum and maximum refresh rates- Switch between adaptive and high(stationary) refresh rate mode- Set Adaptive or High Refresh Rate Mode while on Power Saving Mode (may not work on some devices with updated to OneUI4.0+ ; please test first)- Adaptive refresh rate mod on devices with non-stock adaptive refresh rate mode- Configure different refresh rate settings for every applicationScreen Off Mods:- Force lowest Hz on Screen Off /Always on Display (Ambient Display)- Auto power saving mode while the screen is off- Autosync Off while the screen is off- Quick-doze Mod with adjustable maintenance window interval- Auto SENSORS OFF while the screen is off (Experimental)Others:- Refresh Rate Monitor with quick settings toggle- Resolution Switcher with quick settings toggle- Tasker plugin supportRefresh rate-related features are only available to devices with multiple refresh rates.*Premium is on a per-device basisPlease check FAQs in XDA for more info