SafeNet is educational app about internet security. You can check how strong is your password, report signal, chat , call for signal. It includes trivia game with leaderboard about internet security.
For database has been used "Firebase Database" and "Firebase Functions" for data filter. The app is using dipendancy injection by Dagger 2, Butterknife for view binding, Retrofit 2 for server communication and Picasso for image loading.