It can be used immediately after launching the app.
You can enjoy the internet in full screen.

It is most suitable for browser to use as sub.

The app's capacity is surprisingly light as it has as simple a function as possible.
The function to open multiple tabs has been omitted so please exit if you want to initialize.

Depending on the version of AndroidOS full screen will be canceled when entering characters.
In that case please press the home button once after character input.
If you start the application again it changes to full screen display.

If you want to cancel the full screen swipe from the top to the bottom of the screen.
(The status bar and navigation bar can be displayed.)