What is the FC Buddyfight Database game, how does it work?

According to the introduction of stefsquared, FC Buddyfight Database is a Casual game on the Android platform. There is currently a 2.35 version released on Mar 25, 2020, you can see the details below.

This unofficial Future Card Buddyfight Database allows players of the Future Card Buddyfight Trading Card Game (TCG) to access details of all the officially released English cards available.

FutureCard Buddyfight Database is completely free.
We would like to thank those of you who support this App.
It is because of you that this App remains free.

FEATURES
- Simple single screen layout
- Powerful easy-to-use filters from the Menu button or the 3-dot screen button
- Card text, sets and rarities from selecting item in list
- Personal Favorites Card Lists
Make your own lists of favorite cards
Allows you to organize the cards as you like them
Build lists with the best cards for each world, or for cards you want to trade or whatever you like
- Build Decks
Build your decks on the device
Similar to lists, but with a quantity for each card

You can see the officially released English sets here
http://fc-buddyfight.com/en/
The release schedule for English cards can be seen here
http://fc-buddyfight.com/en/products/

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If you have any ideas for improving this program, please get in touch.