I think that's a solid outline. Now, I can flesh out each section with appropriate details, keeping the user informed but also warning them about the dangers.
Installation steps are important for the user. They need to enable unknown sources on Android. Then install the APK, but it's different for iOS since Apple restricts that. So maybe note that iOS users have more limited options. I think that's a solid outline
Make sure the tone is informative but cautious. Users should understand the risks involved. Maybe start positive, but end with a warning and alternatives. I think that's a solid outline