Question 1: AI Companion Method: (2 marks):AI companion is to install the MIT App Inventor Companion app on another device such as android phone or tablet. After you install it you can open your projects from that device and build new apps Step 1: download and install: the MIT AI2 Companion App on your phone, you need to install it only once and you can leave it on your device for whenever you want to use the app.Step 2: Connect your two devices to the same wifi. Step 3: Open an App Inventor project and connect it to your device.USB Method: (2 marks)When there is no internet / wireless connections such as hotels, schools and conference centers thats internet restricts devices from communicating, in those areas you can still use App Inventor with a phone or tablet by connecting it with a USB cable.Step 1: Download the App Inventor Setup Software on your computer.Step 2: Install the MIT AI2 Companion App on your phone.Step 3: For windows & GNU / Linux, launch a program called aiStarter to use the emulator or USB cable. Step 4: Go to system settings, turn developer options on and enable “USB Debugging.” For Android 3.2 this option is found under Settings then Applications then Development. For Android 4.0 or newer, it is found in settings then Developer options.Step 5: Connect your computer to your Android using the USB cable. Connect it as mass storage device and not media device. If you are a Mac user go to finder and if you are a Windows user go to My computer and disconnect any previous drive(s) that were mounted. If you are on Android 4.2.2 or newer a message saying “Allow USB Debugging” will appear the first time you connect it to your computer, press OK.Step 6: Test your connection using this Connection Test Page.Question 2: What is the main difference between using the previous 2 methods and using the Emulator? (2 marks)The previous two methods and the emulator are different because the emulator works even if you do not have an android phone or tablet while for the previous two methods you need an android phone or tablet, also both devices need wifi while the emulator does not. Question 3:Is it possible to test an App created using the App Inventor on a an iPad? Justify your answer. (2 marks)No, it is not possible. This is because the App Inventor is only available on android.