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