Hertha Berlin coach Pal Dardai is happy with the progress of Allan.
The on-loan Liverpool midfielder is yet to make his Bundesliga debut, but has featured in Cup games for Hertha.
Dardai is happy fiancee Jordana has followed Allan to Berlin.
"Any support for Allan pleases me. He has great talent and will play some games with us," said Dardai.
Allan was back in England over the weekend as part of the Brazil U20 team's victory against the Three Lions.