my bad, I retried today and it works as expected! Yesterday the wireless network was not visible to other devices. Another problem I just noticed is that bluetooth file sharing does not work. I tried from Sailfish to Android and viceversa but no luck ..... Is there some log file I can provide you?
scp /home/nemo/text.txt nemo@172.28.172.2:/home/nemo/
scp nemo@172.28.172.2:/home/nemo/test.txt /home/nemo/