Cirilla is a Flutter app, it requires Flutter development environment installed before you can run and configure your app. Please follow Flutter official documentation to install Flutter development environment via below link:

Install Flutter: https://flutter.dev/docs/get-started/install

After Flutter development environment is installed successfully run below command to confirmation:

flutter doctor -v

After the installation of Flutter is complete your computer should should as below:

[✓] Flutter (Channel stable, 2.0.5, on macOS 11.2.3 20D91 darwin-x64, locale en-VN)
    • Flutter version 2.0.5 at /Users/ngocdt/Flutter/SDK/flutter
    • Framework revision adc687823a (11 days ago), 2021-04-16 09:40:20 -0700
    • Engine revision b09f014e96
    • Dart version 2.12.3

[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
    • Android SDK at /Users/ngocdt/Library/Android/sdk
    • Platform android-30, build-tools 30.0.3
    • ANDROID_HOME = /Users/ngocdt/Library/Android/sdk
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 12.4, Build version 12D4e
    • CocoaPods version 1.10.1

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 4.1)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)

[✓] Connected device (2 available)
    • iPhone 12 Pro Max (mobile) • 7F9FF62E-7CB7-404B-89E4-E865D2D808EC • ios            • com.apple.CoreSimulator.SimRuntime.iOS-14-4 (simulator)
    • Chrome (web)               • chrome                               • web-javascript • Google Chrome 90.0.4430.85

To install Android Studio follow this link from official Flutter documentation: https://flutter.dev/docs/get-started/editor?tab=androidstudio