The GifTastic app displays your favorite images.
Enter topics of your interest in the "Topic.." field. Press enter or the "Add topic" button and the topic will show up as a button. Click the topic's button in order to visualize images associated with the selected theme.
You can add the image to your "favorites" list by clicking the "Add to ★" button.
To clear the images on display, press the "Clear Images" button.
If you want to start over and clear all the buttons, press the "Clear All Topics" button. Similarly, to erase your favorites images section, press the "Clear Favorites" button.