Your game is trying to load the graphics... This could be due to one or several factors. 1. Device processing speed, 2. memory and space to store cache images and 3. connections and speed. Try the suggestions in What can I do to try to resolve my game issues? if you need.
Bakery Story
Game Guide
Master Box ListDream City
Game Guide
Buildings & Crafts Guide
Index ListingFantasy Forest
Main Guide
Creatures Guide
Habitats Guide
Battle ChartsFarm Story 2
Main Guide
Buildings & Crafts Guide
Farm Activities & Features Guide
Pets Guide
Index Listing
Fun Corner
Goal Guide
Event GuideRestaurant 1
Game Guide
Master Box ListRestaurant 2
Game Guide
Goal Guide
Cruise Guide
Cruise Album
I get this when different apps fight for space on my device. Could be different games, photos or a new iOS upgrade getting downloaded