World Cup Russia 2018 Predictor is a free lifestyle app by Brazius Productions for Android devices running on Android 9.0 or higher. The app lets you predict the winners of each stage of the 2018 World Cup, starting from the group stages, round 16, quarter-finals, semi-finals, and finally, the World Cup winner. You can also share your predictions with your friends through the app.

The app's interface is simple and user-friendly. You can easily select the teams you think will win each stage, and the app will keep track of your predictions. The app also features a confetti celebration when you predict the winner of the World Cup.

Overall, World Cup Russia 2018 Predictor is a fun and engaging app for football fans who want to predict the outcome of the World Cup. However, it should be noted that the app does not provide any information or analysis to help you make your predictions.