ConnectFour Studio

about

description

ConnectFour Studio is a free, offline Connect Four program: play against the computer, analyse positions and run engine-versus-engine matches. It is the Android version of the desktop program of the same name, with the same engine, levels, help and texts. **Engine** - Perfect play: a Kotlin port of the BitBully solver by Markus Thill (bitboards, MTD(f), transposition table) with the 12-ply opening book with distances – identical results to the original C++ engine - 15 levels: 0 Loser (joke level), 1 Random … 14 Perfect, defined by (p, s, w): share of perfect moves, loss guard and win guard - Two custom levels User (1) and User (2) with your own (p, s, w) **Analysis** - Evaluation row under the board: win / draw / loss for every column and the number of stones until the end - Permanent analysis after every move, one-off evaluation of all moves - Info box with depth, value, nodes, time, speed and source (book or computed) **Game modes** - Human vs. computer (the computer can also open), two players, computer plays out the position - Computer-computer match with up to 10,000 games, colour swap, three speeds, Elo difference and copyable result - Session score human vs. computer per level with Elo estimate - Random start positions with 1–9 stones and a chosen result **More** - 20 boards with matching stones, ghost stone, drop animation, last move and winning line marked - Load and save positions as .4gp files (compatible with the desktop version), quick save - Detailed help with search and zoom, user interface in English, German, French, Spanish, Dutch and Italian - Portrait and landscape, phones and tablets, keyboard shortcuts with a hardware keyboard - No permissions, no internet access, no ads, no tracking License: GNU AGPL v3. Engine: BitBully by Markus Thill (AGPL v3), opening book: bitbully-databases (MIT).

publisher

78ce6faa72264387284e647ba6938995735ec8c7d5c5a65737e55130f026307d

first seen

2026-10-17T01:59:41.603735+00:00

last event

2026-10-12 01:44 UTC

install

zapstore.dev or any Zapstore-compatible client

topics

#board game #strategy game

source & build

repository

https://github.com/patrick-ric/connectfour-studio-android

arch flags

android-arm64-v8a

manifest

missing

releases (kind 30063)

1 release indexed; latest 1.0.1.

assets & verification

Every app, release and asset event is schnorr-verified (NIP-01 id + signature) before it enters the catalog, and assets are content-addressed by sha256. We subscribe read-only to the catalog relay — never write to it.

1.0.1 — ConnectFourStudio-1.0.1.apk

sha256

988b136573a7d0376ed79d379f962b1c0971a5fc1f81023c3a1f5d7895057a95

size

6.1 MB

archs

android-arm64-v8a

version code

2

apk cert sha256

0290aabc0607b5ba98d1fbf67e8f03b166d04f2d6545634f99030278c60546a1

download

ConnectFourStudio-1.0.1.apk

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