Sure! Here's a simple game written in a single HTML file using JavaScript and enclosed in script tags. The game is called "Bank Money Rush" and you will play as a character trying to get as much money as possible from the bank before they decline you. Since you mentioned smartphone operation, we'll use pictograms for the game elements.
Bank Money Rush
Score: 0
To play the game, simply copy the above code and save it with a `.html` extension. Open the file in a web browser, and you will see pictograms representing different amounts of money. Click on each pictogram to collect money from the bank. The game keeps track of your score, displays messages about whether the bank accepted or declined your attempt, and ends the game if you reach the maximum number of failed attempts or the bank declines you. Have fun playing and try to get as much money as you can!