Add the Play Protect and first-start steps to the install instructions

README.md

@@ -10,13 +10,14 @@ Flexera Launcher is a personal project. It is not in any app store and comes wit
 
 1. On the phone, open [Releases](https://git.mariosem.es/msemes/Flexera-Launcher-Releases/releases) and download the newest `FlexeraLauncher-x.y.z.apk`.
 2. Open the downloaded file. Android asks once whether your browser or file manager may install apps. Allow it, then tap **Install**.
-3. Press the Home button and choose **Flexera Launcher**. If Android does not ask, pick it under Settings > Apps > Default apps > Home app.
+3. Google Play Protect may say "App scan recommended", because it has not seen this app before. Either let it scan the app, or tap **More details** and then **Install without scanning**.
+4. Open Flexera Launcher. On its first start it asks to become your home app; choose **Flexera Launcher** and **Set as default**. You can change this later under Settings > Apps > Default apps > Home app.
 
 The app needs Android 8.0 or newer. It is developed on Android 17.
 
 ## Updates
 
-The app asks this repository about once a day whether a newer version exists. When one does, it offers the download in its own settings: touch and hold an empty spot on the home screen, tap **Home settings**, then **About**. It also shows a notification if you have allowed the app to send them.
+The app asks this repository about once a day whether a newer version exists. When one does, it offers the download in its own settings: touch and hold an empty spot on the home screen, tap **Home settings**, then **About**. It also shows a notification if you have allowed the app to send them. The first update asks once for permission to let Flexera Launcher install apps, and Play Protect may ask again as in step 3.
 
 That check is the only thing the app uses the internet for. It sends nothing about you, your apps or your phone.