public async Task LoadDataAsync()
        {
            // initialize internal Data
            List<Model.Champion> champions = new List<Model.Champion>();
            List<Model.SearchTag> searchTags = new List<Model.SearchTag>();
            List<Model.ChampionSearchTag> championSearchTags = new List<Model.ChampionSearchTag>();
            List<Model.ChampionSkin> championSkins = new List<Model.ChampionSkin>();
            List<Model.ChampionAbility> championAbilities = new List<Model.ChampionAbility>();

            // get File
            var uri = new Uri("ms-appx:///Assets/gameStats_" + GetLocalization(_applicationLanguages) + ".sqlite");
            var file = await Windows.Storage.StorageFile.GetFileFromApplicationUriAsync(uri);
            var newFile = await Windows.Storage.ApplicationData.Current.TemporaryFolder.CreateFileAsync("db_temp.sqlite", Windows.Storage.CreationCollisionOption.ReplaceExisting);
            await file.CopyAndReplaceAsync(newFile);

            // open DB
            SQLiteConnection db = new SQLiteConnection(newFile.Path);

            // get Data
            champions = db.Query<Model.Champion>("select * from champions");
            searchTags = db.Query<Model.SearchTag>("select * from searchTags");
            championSearchTags = db.Query<Model.ChampionSearchTag>("select * from championSearchTags");
            championSkins = db.Query<Model.ChampionSkin>("select * from championSkins");
            championAbilities = db.Query<Model.ChampionAbility>("select * from championAbilities");

            // close DB
            db.Close();

            // get english Data
            //uri = new Uri("ms-appx:///Assets/gameStats_en_US.sqlite");
            //file = await Windows.Storage.StorageFile.GetFileFromApplicationUriAsync(uri);
            //newFile = await Windows.Storage.ApplicationData.Current.TemporaryFolder.CreateFileAsync("db_temp_us.sqlite", Windows.Storage.CreationCollisionOption.ReplaceExisting);
            //await file.CopyAndReplaceAsync(newFile);
            //db = new SQLiteConnection(newFile.Path);
            //List<NameIdTuple> originalNames = db.Query<NameIdTuple>("select id, name from items");
            //db.Close();

            // analyse Data
            foreach (Model.Champion c in champions)
            {
                _champions.Add(new Champion(c));
            }
            foreach (Model.SearchTag st in searchTags)
            {
                _searchTags.Add(new SearchTag(st));
            }
            foreach (Model.ChampionSearchTag cst in championSearchTags)
            {
                SearchTag searchTag = _searchTags.Where<SearchTag>(st => st.id == cst.searchTagId).First();
                Champion champion = _champions.Where<Champion>(c => c.id == cst.championId).First();
                searchTag.AddChampion(champion);
                champion.AddSearchTag(searchTag);
            }
            foreach (Model.ChampionSkin cs in championSkins)
            {
                Champion champion = _champions.Where<Champion>(c => c.id == cs.championId).First();
                Skin skin = new Skin(cs, champion);
                champion.AddSkin(skin);
            }
            foreach (Model.ChampionAbility ca in championAbilities)
            {
                Champion champion = _champions.Where<Champion>(c => c.id == ca.championId).First();
                Ability ability = new Ability(ca);
                champion.AddAbility(ability);
            }

            // Call Prop Changed
            OnPropertyChanged("Champions");
            OnPropertyChanged("SearchTags");

            // return Task
            return;
        }
 public void AddAbility(Ability ability)
 {
     _abilities.Add(ability);
 }