What the album looks like while in a folder.
Album folder in Smash 4

Album is a mode included in the Vault where players can see their stored snapshots they have taken from matches or other modes.

In Super Smash Bros. BrawlEdit

 
Viewing saved snapshots in the Album in Brawl

To take a photo in Brawl, the player must pause during a fight and press the   button on the GameCube controller and Nunchuk, the   button on the Classic Controller, or the   button on the Wii Remote to take the photo, much like Camera Mode in Melee.

The player can also take photos in the Subspace Emissary mode, as well as most other modes, but not during cutscenes, Home-Run Contest, Training, Target Smash/Test, Multi-Man Brawl, or Wi-Fi matches. However, the player can still take snapshots from replays of WiFi matches.

Players can also take pictures of trophies that have been arranged in the Trophy Hoard or Sticker Centre, and could send them to friends via WiiConnect24. For some reason, snapshots usually cost more coins to share than anything else.

In Super Smash Bros. 4Edit

The feature returns in Super Smash Bros. 4. During a match, when the player pauses the game, camera options will be displayed, allowing the player to switch cameras between participants, zoom in and out, pan across the battle field, rotate the camera, and take snapshots using certain buttons:

Snapshots will be stored in the Album section of the Vault, located in Games & More, where they can be moved to player-created albums, commented upon, and deleted. Snapshots can be taken during most modes, excluding Home-Run Contest, Training, Target Blast, Multi-Man Brawl, and Wi-Fi matches. Snapshots can still be taken from Wi-Fi matches. In the Wii U version, photos can only be taken if an SD card is inserted into the console.

In Super Smash Bros. UltimateEdit

In Super Smash Bros. Ultimate, there is no in-game Album, but screenshots are saved in the Nintendo Switch system's Album in the Home menu.