How to update TwoNav on Android?

UPDATE

1 - Open 'Play Store'.

2 - Select 'My Apps' section.

3 - In case a higher version is available, it will be displayed inside 'Updates' section. Select 'TwoNav' App.

4 - Press 'Update' button and follow the indications. The update process will take a few minutes.

5 - Once finished, you will be able to start 'TwoNav' normally. 

Note: If no versions are available it means that you have the latest version installed on your Android device.