Refresh Rate Changer 3.0 is an Android APK utility that lets users control, lock, and customize their device display refresh rate beyond the system defaults. It targets power users who want finer control over battery life, smoothness, and app-specific behavior.
: Claims to enable up to 240Hz refresh rates for "Smooth UI & Animations" on non-rooted Android devices. Refresh Rate Changer 3.0 By Rc Modz Apk - Google
Because this app is an like Google Drive or YouTube links rather than the Google Play Store, you should exercise caution: How To Change Android Screen Refresh Rate | No Root Needed Refresh Rate Changer 3