This will trigger a re-download of the app, as long as it's still available in Android's app marketplace. Once the re-install is complete, you should be able to use the app like normal, albeit ...

We selected this as the best Android app in our Tom's Guide Awards 2021 because it offers a clean and minimal interface that puts your apps front and center in an alphabetical list.

The Android app download is being made available as an Android Package Kit, more commonly known as an APK file, which contains the app’s code, assets, and other resources that TikTok needs to run.