Update v0.5.5

If you have not updated because the version was increased from 0.5.4 to 0.5.5
You may not be able to join the match.


■Additional functions
・Temporary implementation of letter function
- Added souvenirs for friend matches

■Correction
- Some text corrections and additions such as how to play


■About Chinese translation
We are currently making a lot of text corrections and the translation is not up to date.
All translations will be done before the official release.
We apologize for the inconvenience.


Still checking
■CPU battle
・Phenomenon where 4 or more pieces of sushi appear
- Phenomenon where sushi disappears due to CPU speed