Use APKPure App
Get F3K Timer old version APK for Android
Il programma cronometro per F3K (GAL o DLG) concorsi modello
The stop watch program for F3K (HLG or DLG) model contests!
automatic calulation of the left flight time in accordance with the actual task.
Your can invalidate current/last flight or mark it as outlanding.
Adjustable working time.
Your can enter a new poker time during the flight.
Airplane and wake lock mode (need user permissions and for Android < 4.2).