Hello, thank you for enjoying my games ^.^
Please inform me at which step there's an issue, so i could help in more details :
1. [From saikey platform] Download the Android_BBC.zip
2. Unzip the archive
3. Copy and install the desired apk on android (x64 is the best quality if supported)
4. [itch dlc, this page] Download the file
5. copy the file to android
6.Open the game > press the magnifier glass > select the dlc file
7. Dlc confirmed > Enjoy the game :)
Feel free to provide more details or screenshot if applicable, in case you want the info to be private you can contact me via email nymphokyun@gmail.com
Cheers,
~NK