Which one, the web version or desktop? What version of windows do you have? Please provide us more details so we can investigate. Or contact us on projectworldofsisters@gmail.com and we will do our best to assist you.
We have spend some time investigating and we created a new .apk build that could work: "World of Sisters 0.13.6 ANDROID (TEST 21)" Please give us a feedback if it does, thank you very much!