If you are looking for general device speed (performance) rather than time-skipping, apps like Speed Up for Android can help optimize RAM and cache without root.

For older offline titles, Lucky Patcher can sometimes modify the time checking mechanism within an app’s code directly, eliminating the need to alter the global system clock. Frequently Asked Questions (FAQs) Is GMD Speed Time safe for my Android hardware?

GMD Speed Time is generally considered a "grey area" tool. It is not typically flagged as malware (virus/trojan). However, because it is often distributed outside the Google Play Store (via APK repositories), users risk downloading tampered versions containing adware or spyware. Verify the APK signature and source before installation.

Download both the target game and the GMD Speed Time APK directly inside the virtual environment interface.

While speeding up your games sounds appealing, using tools like GMD Speed Time (with or without root) comes with risks:

Many files marketed as "GMD Speed Time No Root APK" on third-party sites are often older versions of the app that will simply fail to run or, in worse cases, could be bundled with malware or adware. Alternatives for Unrooted Devices