Currently, it can be played in the original Japanese, English, or Russian. If you want to provide another translation or you want to report bugs, please contact me at @eosonera or through my gmail account of the same name.

General game tips:

From the in-game menu or from the main menu, click the "?" on the bottom left to view the new 'misc' menu​

While in-game, selecting the "X" icon will ​hide the user interface

Tips for PC and Mac versions:

While in-game, ​right click or press the escape key will show the in-game menu.

From the in-game menu or from the main menu, click the "?" on the bottom left and then click "Help" to view a list of keybinds for the game.​​

If you turn on the "Skip unread text" option in the options submenu of the "?" misc menu, you can skip through the game really quickly by either pressing skip or holding down the control key.

Tips for Android version:

Google is implementing changes that will make directly installing apps on Android more difficult, so if the Android version fails to install, try enabling Developer Mode on your device.