Useful for Pathfinder and Dungeons and Dragons specifically,

stores current list, you can save or duplicate PC or Creatures or the entire encounter

simple, but effective role playing aid for any master.

stats included for PCs and Creatures:

Name,
Initiative value,
Initiative mod,
HP,
Max HP,
AC,
Flat Footed,
Touch,
Status Effect,

the status effects I have put in are:

Blinded,
Bloodied,
Confused,
Dazed,
Dazzled,
Disabled,
Entangled,
Fatigued,
Helpless,
KnockedDown,
Paralyzed,
Poisoned,
Prone,
Stunned,
Unconscious,

Also, though specific to Dungeons and Dragons 5e, Creatures can be imported from the SRD from within the app, with full creature stats page.