Check your phone touch sampling rate.
This app can show you the hardware sampling rate of your phone, and the actual sampling rate that Android provides.
Even if your phone advertises having a touch sampling rate like 240hz or 300hz screen, the application can only receive touch events at your screen refresh rate like 60hz or 120hz.
Because Android will save those extra touch events and send them to the application all at once when the next frame is updated.
No matter how fast your touch screen was sampling at, it was still limited by the screen refresh rate.
By using this app, you can check the actual refresh rate that apps receive and the hardware sampling rate of your touch screen.
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on your use, region, and age. The developer provided this information and may
update it over time.
