1: Right, turn right to play with robot (3)
2: Established to trick company editor (9)
3: Endless greeting after wine and cheese (4-5)
4: Unchained Melody blankets one like marrow (7)
5: Opening building in church grounds in Sulawesi (7)
6: Observed no Knight (5)
7: Loathing for leader leaving platform (5)
8: No hefty role at sea for ship-launcher (5,2,4)
12: Stimulant produced as choir paid off (11)
16: Foolishly I air spats of beekeepers (9)
17: Puzzling mutation of giant mice (9)
19: Reportedly regret cutting remark in quarrel (7)
20: Again Italian couple is late (7)
22: Prom couple steals crown from teen dress up (5)
23: sliced again with cuter swing (5)
28: Nightwear and jersey top added in afterthought (3)