Follow these steps to use the mail.com Search app on your Android smartphone.
Open the Google Play Store and search for "mail.com Search".
Tap on Install.
The search app is downloaded and installed in the
background.
Return to the Home screen and open the mail.com Search app.
Enter your search term in the search field of mail.com Search.
Tap Enter or the magnifying glass icon.
The search results page opens.
Info:
You also have the option to add a search widget to your home screen.
To do this, press and hold an empty space on the Home screen and then
select the widget.