For example, when opening World A, the app automatically switches to the "Sky Blue" theme. But when World B is opened, the app automatically switches to the "Lovely Red" theme.
In the Settings page, when the user selects a new theme and taps "Save", this theme overwrites the theme for the currently-opened World.
For example, when opening World A, the app automatically switches to the "Sky Blue" theme. But when World B is opened, the app automatically switches to the "Lovely Red" theme.
In the Settings page, when the user selects a new theme and taps "Save", this theme overwrites the theme for the currently-opened World.