The feature to screen-record gameplay was originally in the recording studio structure. Eventually it was removed but a video recording button was added in a later update where it can be seen automatically next to view mode.
The G'joob and Yawstrich were a couple of monsters originally exclusive to the PS Vita edition of the game. Eventually, these monsters were added to all platforms connected to servers. In the 10th anniversary update, Big Blue Bubble added more mythical monsters to the other islands and created Mythical Island with the dreamythical monsters added. All the new single element mythical monsters were even designed by fans of the My Singing Monsters community on social media.
Air Island was the only island to have two seasonal monsters being Schmoochle and Hoola. While Schmoochle is the Valentine's seasonal, Hoola is the summer seasonal who is also on Earth Island. It was revealed by the monster handlers in a live stream that PomPom is a "sisterly figure" to Hoola. Eventually Gobbleygourd and Spurrit both shared Fire Oasis.
The maximum number of coins that can be displayed is 1,999,999,999. (about 2 billion) However more coins can still be earned in the currency bar but are not shown onscreen.
Even though double element ethereals can be used to breed with the breeding structure on Ethereal Island, there are no triple and quad element ethereals in the game. This also makes the ethereal paradise castle seem extra spacious.