(07 Nov 2017, 4:23 pm)peter wrote MAN/Enivro 24136. It's in use as an Exhibition/Information vehicle which will tour UK Bus operating areas. It is nominally part of the Stagecoach Merseyside & South Lancashire fleet. The livery as you say features yellow 'emoji' smiley faces and the hashtag #BeNiceBus
It's been done up inside with huge screens together with an on-board generator too. On loan to UK Bus from Merseyside.