#1: Set a picture for each of your contacts
Go into an Individual contact
Click Edit in the top right corner
Click Add Pohto
Click the Photo icon at the top
Find the photo you want to add and click Choose in the bottom right corner
Click Done in the top right corner
#2: Create photo albums of memories you like looking at often
Go to Photos > Albums
Make an individual album for different memories you like to look at
To add photos, click on an individual photo and press the up arrow in the bottom left
Click Add to Album and find the album you’d like to add
#3: Make your phone wallpaper a photo shuffle
Go to Settings > Wallpaper
Click Add New Wallpaper
At the top, click Photo Shuffle