Added mascot dialog on game first start

locales/en.json

         "level": "Level: ",
         "time": "Time: ",
         "exit": "leave Game"
+      },
+      "mascotDialog": {
+        "title": "Play !",
+        "message": "Play.",
+        "button": "Yes !"
       }
     },
     "debug": {

locales/fr.json

         "level": "Niveau: ",
         "time": "Temps: ",
         "exit": "Quitter"
+      },
+      "mascotDialog": {
+        "title": "Jeu !",
+        "message": "Jouer.",
+        "button": "Oui !"
       }
     },
     "debug": {

src/managers/AsyncStorageManager.js

             default: '1',
             current: '',
         },
+        gameStartShowBanner: {
+            key: 'gameStartShowBanner',
+            default: '1',
+            current: '',
+        },
         proxiwashWatchedMachines: {
             key: 'proxiwashWatchedMachines',
             default: '[]',

src/screens/Game/screens/GameStartScreen.js

 import type {CustomTheme} from "../../../managers/ThemeManager";
 import {Button, Headline, withTheme} from "react-native-paper";
 import {View} from "react-native";
+import i18n from "i18n-js";
+import {MASCOT_STYLE} from "../../../components/Mascot/Mascot";
+import MascotPopup from "../../../components/Mascot/MascotPopup";
+import AsyncStorageManager from "../../../managers/AsyncStorageManager";
 
 type Props = {
     navigation: StackNavigationProp,
 }
 
 type State = {
-
+    mascotDialogVisible: boolean,
 }
 
 class GameStartScreen extends React.Component<Props, State> {
 
+    state = {
+        mascotDialogVisible: AsyncStorageManager.getInstance().preferences.gameStartShowBanner.current === "1",
+    }
+
+    hideMascotDialog = () => {
+        AsyncStorageManager.getInstance().savePref(
+            AsyncStorageManager.getInstance().preferences.gameStartShowBanner.key,
+            '0'
+        );
+        this.setState({mascotDialogVisible: false})
+    };
+
     render() {
         return (
             <View style={{flex: 1}}>
                 >
                     PLAY
                 </Button>
+                <MascotPopup
+                    visible={this.state.mascotDialogVisible}
+                    title={i18n.t("screens.game.mascotDialog.title")}
+                    message={i18n.t("screens.game.mascotDialog.message")}
+                    icon={"gamepad-variant"}
+                    buttons={{
+                        action: null,
+                        cancel: {
+                            message: i18n.t("screens.game.mascotDialog.button"),
+                            icon: "check",
+                            onPress: this.hideMascotDialog,
+                        }
+                    }}
+                    emotion={MASCOT_STYLE.COOL}
+                />
             </View>
         );
     }