My project is taking answer of riddle and giving marbles on every correct answer…how to take text input in blynk
Can you post your code?
Remember:
Ah, are you asking how to completely delete or clear the terminal display when you need to?
I don’t believe there is currently a way to completely clear the display (meaning you can always “scroll” up to see previous prints). I use a series of terminal.println(); to make the terminal appear cleared.
Yes, that’s correct per How do I clear the terminal screen on Android app?.
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Ha! Well good! 
Depending on how many combinations of questions and answers you have, the code may get pretty complicated.
Have you seen this example sketch? https://github.com/blynkkk/blynk-library/blob/master/examples/Widgets/Terminal/Terminal.ino
Might be a good place to start… then work on making that more complicated as needed.
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