1.3.3 (29 Mar 2018)

- Added X-option: Set the target yourself and meet all-new challenges

- Layout update for large wide-aspect-ratio high-resolution screens (e.g. Galaxy S8)

- Added option for dark mode (battery saving for OLED screens)

- Changed button styles

- Submission text now shrinks to make space for long solutions

- Updated easter egg function

- Other minor fixes and changes

Full history of changes can be found here: http://johis.org/changelog.html