chrisu:

- set a note to be tuned against
- harmonies: arabic + violin
- play note
- set frequency A

others:

- configuration
  + alsa device
  + frequency A
  + labels (C, C# / Do, Re)
  + UI (colours ...)
  + later: speed vs. accuracy ... maybe.
  * save settings
- UI:
  + later: handheld optimization

- l18n
  + more translations