Open the app, browse the images, select your favorite, then click 'Apply' or use the 'Set as Wallpaper' option within the app.

Yes, use the app's collection to select preferred images, then set them as your wallpaper or enable slideshow mode if available.

The app features 14 adorable dog images including big, small, old, and puppy dogs, perfect for brightening your desktop.

If the app supports slideshow, you can customize the interval in settings, typically ranging from every few minutes to hours.

Navigate to the app, select a new image or slideshow settings, then apply your choice to update your desktop wallpaper.

No, Dog Days is free to download and use, but some premium features or images may require an in-app purchase or subscription.

Some images or features may be locked behind a purchase; check the app's store page or settings for available options.

Go to Settings > Account > Subscription to view or manage your subscription, or visit the app store for purchase options.

Ensure the app has permission to change wallpapers, restart the app, or reinstall if issues persist; check device settings.