Mining app inventor game tutorial

1. The function of APP
inventor is to develop Android applications, so it can't be used to develop IOS applications.

2. "App inventor 2 network" has a tutorial

3. Microblog old witch has teaching experience

4. Unknown_Error

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6. Search with Sogou

7. Three Kingdoms series

8. This screenshot is useless. It's cut from the log information in logcat in eclipse, which contains specific information about the error, so that we can know what's wrong. If it can run on the mobile phone, there may be a conflict between the version of the simulator and that of the software
you can take an error message from the log information and analyze what caused it.