Install expo

npm install --global expo-cli
npx create-expo-app -t expo-template-blank-typescript
npx create-expo-app <app name>
expo start

Install Android Studio start the Softwaare and create Device Manager

sudo apt install openjdk-11-jdk
java --version
sudo add-apt-repository ppa:maarten-fonville/android-studio
sudo apt update
sudo apt install android-studio -y
sudo apt-get update
sudo apt-get -y install android-sdk
sudo apt update

if it not necessary do not put them

export ANDROID_SDK_ROOT=$HOME/Library/Android/Sdk\n
export PATH=$PATH:$ANDROID_SDK_ROOT/emulator\n
export PATH=$PATH:$ANDROID_SDK_ROOT/platform-tools\n\n