NativeScript device 확인 및 실행
tns device 확인
# tns device
simulator 확인
# xcrun simctl list
simulator 실행
# open /Applications/Xcode.app/Contents/Developer/Applications/Simulator.app
emulator 확인
# {$ANDROID_HOME}/emulator/emulator -list-avds
emulator 실행
# {$ANDROID_HOME}/emulator/emulator -avd {device_name}