Upgrade the target API to 36

Upgrade dependencies and change the target API level to 36 (Android 16).

Upgrade the target API to 33

Upgrade the target API level from 29 (Android 10) to 33 (Android 13).
No other significant changes.
The minimum supported API level is still 21 (Android 5, Lollipop).

Upgrade the target API to 33 (release withdrawn)

Upgrade the target API level from 29 (Android 10) to 33 (Android 13).
No other significant changes.
The minimum supported API level is still 21 (Android 5, Lollipop).

This release was withdrawn because the Help and About activities crash on old devices (API < 24).

Create the main menu

Create the main menu, with Reset, Help and About. Include Hungarian localization, too.

First release

First release, uploaded to Google Play.