What this does is enable the system UI tuner functionality rather quite simply and quickly. You can also utilize this method to disable the system UI tuner feature in the same manner.

「System UI Tuner」というアプリを使うと、Androidの隠し機能である「システムUI調整ツール」を呼び出すことができ、Wi-Fiやモバイルデータの ...

Read update Now that the final Android 6.0 Marshmallow release is out, we can confirm that this new method of accessing the System UI Tuner still works exactly the same as in dev preview 3.

The System UI Tuner is hidden under Settings menu on Android 6.0 Marshmallow. Here's how to use it to make your device smarter.

Android の隠しメニューの一つ「システム UI 調整ツール」を独自の UI で操作できるようにするオープンソースアプリ「SystemUI Tuner」がベータ版とし ...

Google has kept the System UI Tuner hidden in Android Marshmallow and Android N, at least for now, simply because these settings are experimental and could have some bugs.

If you noticed the SystemUI Tuner missing from the new preview 3 of Android 6.0 Marshmallow, this is how you turn it back on.

しかし、Android 6.0を使っている場合のみ、この問題を回避できます。 それには、隠し機能である「システムUI調整ツール (System UI Tuner)」を使います。