: Use apksigner (part of the Android SDK) to view the developer's certificate. This can confirm if the "Public" build was actually signed by a reputable source. 2. Static Analysis (Decompilation) To see what the app is programmed to do without running it:
: See what background processes the app starts automatically. DD_05_Public.apk
: Use a tool like PCAPDroid or a proxy like Burp Suite to see if the app attempts to communicate with external servers ("calling home"). 4. Common "DD" Associations : Use apksigner (part of the Android SDK)