You can display the launcher on the history screen like the former small application. From there you can not only launch the application but also let the widget float on the screen to display.
In addition to being able to place it in any place like the top, bottom, left, and right so that it can correspond to various terminals, you can also set the direction in which buttons and icons line up in any direction.

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Here is a standalone version of an application that can display widgets floating
Float Widget

Click here for the application [Small Application for All Device] floating on other screens
Small Application for All Device

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It is convenient because it becomes an alternative launcher even when the terminal's home button is broken.
Opening applications It is convenient for people who have small hands because they can increase the method of approach.

[ SmApEx4SoPr ]