Download and Install
Hearing Aid - Sound Amplifier v3.0
GPS Speedometer and Altimeter V1.1.2
Live Voice Changer v2.6 for iOS
webcam+ v1.6 for macOS App Store
How to install
macOS version (Not from App Store):
Due to the App Store sandbox limitation, any apps from App Store cannot terminate other apps or launch new apps. If you need the 2 functions, please download this app. It not necessary to install it. Just unzip it then run it directly. It can be copied into the folder of Application as well.
Please mind the setting of Security & Privacy. Please set the item 'Allow apps downloaded from' to be App Store and identified developers.