Сотовый фрикинг How To run EngineerMode from adb (get root)

# adb shell am start -a android.intent.action.MAIN -n com.mediatek.engineermode/.EngineerMode

How To create this magic cmd:

in google search: how to run apk from adb
on page N2
www.android.pk: Launch app through adb shell - Android News & Updates
This is about how to launch android application from the adb shell.
... How to Install Android APK on Dell Streak with SDK Commands.

From site I get and run this:
# adb shell am start -a android.intent.action.MAIN -n com.android.browser/.BrowserActivity
And I'm happy!

Next step get apk and find start points.
# adb pull /system/app/Browser.apk ./
# adb pull /system/app/EngineerMode.apk ./

Find working.
# aapt l -a ./Browser.apk | grep BrowserActivity
A: android:name(0x01010003)=".EngineerMode" (Raw: ".EngineerMode")
A: android:name(0x01010003)="android.intent.action.MAIN" (Raw: "android.intent.action.MAIN")

Find like working.
# aapt l -a ./EngineerMode.apk | grep A\:\ android\:name
A: android:name(0x01010003)=".EngineerMode" (Raw: ".EngineerMode")
A: android:name(0x01010003)="android.intent.action.MAIN" (Raw: "android.intent.action.MAIN")

Search name like com.android.browser.
# aapt l -a ./EngineerMode.apk | less

Create cmd like working.
# adb shell am start -a android.intent.action.MAIN -n com.mediatek.engineermode/.EngineerMode

That all of How To create a litle magic.