sololearn says 'Google play services not available ' when I try to open the code to try it

Answer 1

Contact to Sololearn at [e-mail] with required screenshots

Answer 2

Some helpful link:
https://www.sololearn.com/Discuss/1878379/google-play-service-not-available
https://www.sololearn.com/Discuss/2831497/google-play-service-problem
https://www.sololearn.com/Discuss/2279754/google-play-services-not-available
https://www.sololearn.com/Discuss/2113299/google-play-services-not-available-solo-learn-app
https://www.sololearn.com/Discuss/2730393/how-can-i-fix-the-google-play-services-problem-in-sololearn