You said "Excel" but I assume you mean Google Sheets.
In Google Sheets, on an Android device (phone) the buttons will not function to run your search, save, modify, clear or new app script functions.
AppSheet will certainly accomplish your goal of operating on an Android or iPhone device... But it will look and work markedly different from your screenshot. In addition it is a paid service which charges $5 per user per month.
You can get app script functions to run on Android or iPhone devices by triggering the script to run through the onEdit() function.
Here is a video demonstrating that.