Compiling test app from QT, start on phone and get error

I/Qt ( 4539): qt start D/Qt ( 4539): startQtAndroidPlugin D/Qt ( 4539): startQtApp I/Qt JAVA ( 4539): onCreate I/Qt JAVA ( 4539): onResume D/Qt ( 4539): resumeQtApp D/Qt ( 4539): startMainMethod D/Qt ( 4539): Static plugins 0 D/Qt ( 4539): main 3 , QtApp -platform W/Qt ( 4539): WARNING: QApplication was not created in the main() thread. I/Qt JAVA ( 4539): onSaveInstanceState I/Qt JAVA ( 4539): onSaveInstanceState D/Qt ( 4539): () F/Qt ( 4539): Failed to load platform plugin "android". Available platforms are: I/Qt JAVA ( 4539): onRestoreInstanceState I/Qt JAVA ( 4539): onRestoreInstanceState I/Qt JAVA ( 4539): onResume D/Qt ( 4539): resumeQtApp I/DEBUG ( 4197): * *

It seems you didn't compile and/or upload the QtAndroid plugin. Please use android-stable branch, androidconfig.sh & build.sh script files.