The "30 by rc modz apk" you mentioned seems to be related to an Android app or modification that could potentially alter the refresh rate of a device's display. However, without more specific details, it's challenging to provide precise information on this particular app or mod. A Garota Da Web Sex Jose Gaspar Brasileirinha: Due To Social
The refresh rate of a display refers to how many times the screen updates what's on it per second. A higher refresh rate can make for a smoother viewing experience, especially in fast-paced content like video games or action movies. Ggrc Biometric Dealer — Package Verified
You're looking for information on a refresh rate changer, specifically the "30 by rc modz apk" from Google, and its relation to high-quality displays.
For specific guidance on the "30 by rc modz apk," more context or details about the app would be necessary.