Me and a couple of other users (according to reviews and personal friends) keep ending up stuck on the loading screen. The blank dog is moving but the loading bar never appears and even after twenty minutes and several reopenings.
Ahh so sorry for not providing more info!!!
I myself use an Android device, everything up to date, had used about three times before I ended up stuck on the loading screen. After about five reopenings and waiting twenty minutes it did work for me!!
My sibling still hasn't gotten the app to open for the first time after around seven reopenings, waiting about 30 minutes, and even redownloading it! They also use an android all up to date with pretty fast internet!
There's a couple other people in the google reveiews experiencing similar issues!