If you usually play The Sims, but you're not feeling very inspired, you might be interested in taking a look at The Sims 4 Gallery. In this app for iPhone and iPad, you'll find creations of other players that you can download and use yourself.
The source for ideas you were looking for
You can explore the gallery of creations and designs developed by other gamers. Houses and rooms and waiting for you, and you can save and share them to expand your horizons and incorporate them to the game making them yours.
Admire the progress of other players and share your very own.
Explore everything The Sims can offer you thanks to this Gallery application that intends to make creating and designing a collaborative experience.