How can we save challenge questions ?

Question

If we can see them after the challenge, challenges can be more productive as we can learn from our mistakes.

Answer 1

As you have said the sololearn app doesn't allow us to take screenshot but then I searched and found an app on play store which can help.
https://play.google.com/store/apps/details?id=com.prashantwosti.bypassflagsecure

Answer 2

Its not possible currently. Request for this feature in SoloLearn facebook page. They seem to be replying there.