Hey, thanks for the in-depth review! I'm glad you enjoyed it so much (despite wanting to kill me over the Ami thing, haha) and I appreciate the kind words :)
As to your questions:
1. By the time the game is finished, all the character cards for every single character will have been added to the card pool. I usually release another three or four every month
2. The game will automatically teleport you to 95% of the available "Explore" scenes even if you get the directions wrong, and the ones it doesn't teleport you to it'll give text hints for if you hit an "empty" node. There will also be maps to certain "hidden" locations which you'll be able to buy from the Mysterious Merchant (but those locations, and the maps, aren't in the game yet)
3. You need the "AURA" power, which you can get by learning Magic from Lyx (the Goblin Witch you meet when exploring the Outskirts)
4. Buy matches from the General Store and light the candle. Then follow the direction of the flickering flame. It's a large maze (there are secrets to be found in it too) so it takes about 14 steps to reach the end if I remember correctly.
5. Trust me, you don't want a real-life Pixie. The cost in ice cream alone..! ;)
Hope all that helps! But if you need clarification, or have any other questions, feel free to ask! I'm always happy to answer :)