Depending on ones handicap, the word game Bananagrams may just be what you are looking for. It is a fun and fast word game that can be played by 2 to 8 players.
It consists of a 144 letter tiles that fit neatly in a little banana like pouch. This make it very portable. No pen or pencil is required, just a flat surface.
Besides being lots of fun, it helps keep ones mind sharp and improve vocabulary.
To learn more about Bananagrams please visit: Games for Handicap