A collection of live-action games taking selfies and exploring emotions. "The Story of My Face" is the one meant for a single player.
Additional items: phone camera and a form of text chat + other items depending on the game
Length: "The Story of My Face" - as long as you want, probably around an hour or two but requires physical activity
A solo storytelling game about two people who would sacrifice for each other. Who are you, who is your partner, what is your bond?
Additional items: a set of playing cards, 2d6, a token, a journal to write in
Length: about an hour
A precious game of recalling, creating, discovering and saving childhood memories and feelings.
Additional items: a way to write stuff down, materials for a simple "treasure box" and its decorations (see PDF)
Length: depends on how many emotions you want to write about, around an hour or two