Throughout the jury voting sequence, where Jann received only 7 points despite being the overwhelming fan favorite to win, booing could be heard throughout the audience as results were announced.

Following the grand final, a post on TVP's official site regarding Blanka's victory was published at 03:30 PM, many hours before voting was processed and the winner was announced.

The general consensus of the controversy was that Jann had intentionally been given fewer points by the judges to balance out his prominence of his public votes so that Blanka could represent Poland for Eurovision 2023.

He embarked on this tour in April 2023, hosting concerts in Warsaw, Poznań and Kraków among other cities, and his shows were met with a considerable amount of enthusiasm and positive reception.

He opened for Madison Beer during the European leg of her The Spinnin Tour alongside Jillian Rossi, between 25 February and 4 April 2024, and entered a paid partnership with Puma[23] around the same time.

[24] Following his opening shows, he partnered with Brodka to release another single the same year titled List[25] which was used in the Netflix series Rojst Millenium.

He began his international tour late March the same year, performing shows all around Europe, notably in London, Dublin, Brussels, and Warsaw.