message to user

Hi everyone, my colleague wrote a webapp with visual studio that allor the users to login to save data on a database and show a confirmation message, and it works correctly via the browser. I've write an app with B4A that just load this webpage in a webview so i can easily share the apk with...

What are my options for displaying a quickie little messagebox telling a user something like, "Tap here" and then it disappears in like 2 seconds? As opposed to the one that has an OK button they have to press to get rid of? This would be a lot easier than adding an image to the screen, telling...