Star guideThe stars in your pokemons status show how much IQ your pokemon has. Increasing a Pokemon's IQ can make it learn skills useful in dungeon outings. A Pokemon starts with an IQ of 1.
1 star: 0-9
2 stars: 10-49
3 stars: 50-99
4 stars: 100-149
5 stars: 150-199
6 stars: 200-299
7 stars: 300-399
8 stars: 400-499
9 stars: 500-599
10 stars: 600-699
11 stars: 700-989
MAX: 990 or more (IQ can reach up to 999)
SkillsType-Advantage Master
The Pokémon's critical-hit rate is boosted when attacking foes with a type disadvantage.
Item Catcher
If the Pokemon isn't holding an item and an item thrown to it other than Seeds, Berries, or drinks would hit the Pokemon, the Pokemon catches it instead, unless the thrower has the Pierce status or is holding Lockon Specs. A Pokemon can't catch an item if it's asleep, having a nightmare, yawning, napping, frozen, paused, infatuated, or terrified
Course Checker
If a foe is within range of a move with the range "Straight line" or of an item other than rocks, it will use the move or throw the item only if no wall tiles or other Pokemon are in the way.
Sure-Hit Attacker
The Pokémon's regular attacks never miss.
Quick Dodger
Accuracy of attacks and moves against the Pokemon is reduced by 30.
PP Checker
Will not use linked moves where at least one move in the link has 1 PP or less. Will not use moves with zero PP.
Nontraitor
If the Pokemon is confused or cowering or has the Blinker status, attacks by the Pokemon affect its allies as though they were not foes. (Doesn't affect direction of thrown items.)
Status Checker
If its target has a status problem, the Pokémon will not use moves that cause the same status problem.
Exp. Go-Getter
If not the team leader, foes worth more Exp. Points have higher priority.
Efficiency Expert
If not the team leader, foes with less HP have higher priority.
Weak-Type Picker
If not the team leader, foes with a type disadvantage have higher priority.
All-Terrain Hiker
The Pokémon gains the ability to walk on water, lava, and clouds.
Super Mobile
The Pokémon gains the ability to walk on water, lava, and clouds. It can also dig its way through walls.
Trap Avoider
If not the team leader, avoids stepping on visible traps.
House Avoider
If not the team leader, avoids monster houses.
Energy Saver
The Pokemon's Belly empties slower.
Nonsleeper
Cannot be asleep, napping, having a nightmare, or yawning.
Self-Curer
Duration of status problems the Pokemon receives is halved.
Trap Seer
Doesn't trigger hidden traps after it reveals them.
Lava Evader
If not the team leader, doesn't move into magma.
Dedicated Traveler
The Pokémon will focus on traveling. It will use moves and items less often.
Item Master
The Pokémon can use or throw its hold item.
Exclusive Move-User
If not the team leader, the Pokemon does not use its regular attack.
=================
Gummies
=================
Gummi matches Pokemon Type: +7
Gummi is strong against Pokemon Type: +4
Gummi is neutral against Pokemon Type: +3
Gummi is weak against Pokemon Type: +2
Gummi is ineffective against Pokemon Type: +1
(This gummi guide is for the 1st pokemon mystery dungeon, but i think it is the same for 2 aswell)
White Gummi - Normal
Red Gummi - Fire
Blue Gummi - Water
Grass Gummi - Grass
Yellow Gummi - Electric
Clear Gummi - Ice
Orange Gummi - Fighting
Pink Gummi - Poison
Brown Gummi - Ground
Sky Gummi - Flying
Gold Gummi - Psychic
Green Gummi - Bug
Gray Gummi - Rock
Purple Gummi - Ghost
Royal Gummi - Dragon
Black Gummi - Dark
Silver Gummi - Steel
I hope this helps