1. AppInventor
2. 5. Component Properties
3. Chinese (Simplified)
4. translate

Choose the set of components you’ll need for your project. A smaller set is good for beginner projects, while experts can use all options to build complex apps. For example, the Beginner Toolkit gives you access to all the features you need for our novice tutorials and curriculum.</p><p>You can always change your toolkit in Project Properties, so your choice now won’t limit the future possibilities for your app.</p>