Dooz for Android

Dooz

Yamin Siahmargooei

version 1.0.22

Dooz or Tic-Tac-Tao is a simple pen-and-paper game.

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Antivirus & safety scan results

Scan Date: Jun 28, 2026 Software Version: 1.0.22
Status: ✅ Trusted & Safe to install This app is signed by Yamin Siahmargooei with trusted and verified digital signature and it will updated existing Dooz installations Certificate fingerprint: f436a817f57edb623591fd1a8c5fccb78339ba98 Issuer: C=IR, ST=Golestan, L=Gorgan, CN=Yamin Siahmargooei How we verify APK files security

Dooz Puzzle game for Android description

I created this implementation using Kotlin and Jetpack Compose for Android devices.

Features

Technical

  • Jetpack Compose
  • Material3 and Dynamic Color

Game

  • Variable game board grid size from three-by-three to nine-by-nine (Larger than nine-by-nine is simply ridiculous and unplayable in mobile phones)
  • Variable game AI difficulty (easy, medium, hard)

Variations

Simple Game

The Simple game is the most simple variation of Tic-tac-tao with a three-by-three grid with two players. The player who succeeds in placing three of their marks in horizontal, vertical, or diagonal is the winner.

Simple Game AI

Currently, in hard mode, AI uses a strategy rather than an AI search algorithm like MinMax. This strategy consists of these steps: Win, Block, Fork, Block Fork, Center Play, Corner Play, and Side Play.

Strategys source: Flexible Strategy Use in Young Childrens Tic-Tac-Toe by Kevin Crowley, Robert S. Siegler.

In Easy difficulty, AI plays a random empty cell in the grid. In Medium difficulty, AI chooses between Easy difficulty and Hard difficulty for each move based on a 50/50 chance.

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Specifications


Old Versions

Dooz icon

1.0.21 APK

June 14, 2026

Dooz icon

1.0.20 APK

June 5, 2026

Dooz icon

1.0.19 APK

June 4, 2026