I like the game and I think it's a little bit addictive :) The one problem for me is that it is somewhat confusing and you should have a proper tutorial in order to start playing, in a particular way in the first phases of the game. Overall, a good job :) I hope you keep improving it!
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The particular tutorial which using a mask layer to limit player's interaction area and show some arrows, I need more time to design and implement this, I never write this before.
A quick way may be using the current "First running Quest Board" UI, make the first several quests have some player's interaction guide description.