To get you started quickly, there are some sample layout apps that can be downloaded and used. Each of the samples is downloadable and can imported as a starting point for a new app.
An App with various App templates can be found here. You can use this App as a starting point for accelerating your authoring experience. You can also download a specific layout from the examples below.
サンプル 1: ダッシュボードのレイアウト
サンプル 2: タブのレイアウト
サンプル 3: トップ メニュー バーのレイアウト