Pokemon Alpha Sapphire Cheats

Aggronite can be used to Mega Evolve Aggron. It can be found/obtained in Rusturf Tunnel.

After you have participated in your first Pokemon Contest in Slateport City, you will be given a special Cosplay Pikachu. This Pikachu will have special stats depending on their contest type. They also have their Hidden Ability.
You can even change it's costume by talking with the attendant near the wardrobe in any Contest Hall.

Your Trainer Card begins as a blue hue but this can change to bronze, silver, and then gold by completing certain tasks. Listed below are the tasks that will each upgrade the Trainer Card by one colour.
Trainer Card Colour Change:
Beat the Elite Four and the Champion.
Trainer Card Colour Change:
Capture ALL Pokemon in the Hoenn Pokedex.
Trainer Card Colour Change:
Earn a 50-win streak at a Battle Maison facility.

Gyaradosite can be used to Mega Evolve Gyarados. It can be found/obtained on Route 123.

Manectite can be used to Mega Evolve Manectric. It can be found/obtained on Route 110.

The Devon scuba gear is acquired from Steven's house in Mossdeep City and provides oxygen when you are using Dive.

If Rayquaza knows the move Dragon Ascent, it will Mega Evolve during battle. Dragon Ascent can be taught to any Rayquaza by talking to Zinnia's Grandmother in Meteor Falls after completing the Delta Episode.

Check out the following video to see ALL the TM locations.

Houdoominite can be used to Mega Evolve Houndoom. It can be found/obtained in Lavaridge Town.

When you complete the indicated amount of Pokemon Contests you will earn the corresponding special items and features.
Contest Star Ribbon and Battle Animation:
When you beat ALL 5 Master Rank Contests with the same Pokemon you will get this ribbon and a special animation when entering battles.
Cosplay Pikachu (Gift Pokemon):
Participate in a single Contest.
Glass Ornament Decoration:
Win ALL Master Rank Contests 3 times each and then speak with the Lilycove museum curator.

The Aqua Suit is acquired from Archie in Sootopolis City and is made from the collective technical knowledge of Team Aqua. It is strong and durable enough to absorb any impact.

Alakazite can be used to Mega Evolve Alakazam. It can be found/obtained in the Slateport City Market.

Swampertite can be used to Mega Evolve Swampert. It can be found/obtained from Steven on Route 120 if you chose Mudkip as your Starter, or on Route 114 from the Stone Salesman if you didn't.

The following list are useful Charms and Breeding items and what they do.
Destiny Knot:
Sea Mauville fan in Contest Hall (Master Rank) / Pick-up Ability (sometimes). Give it a high chance that 5 of the parents' IVs will be the same on the offspring.
Everstone:
Geodude (sometimes) / Bolder or Roggenrola (often). Passes the nature down to the offspring.
Oval Charm:
Birch Lab (Hoenn Dex complete). Increases the chance of Pokemon Eggs being found at the Day Care.
Shiny Charm:
Birch Lab (National Dex complete). Increase the chance of finding a Shiny Pokemon in the wild.

If you use one of the rods to go fishing you will improve your chances of getting a Shiny Pokemon when you start a battle from fishing. It also helps if you try and stay in the same place you start by using the Suction Cups and Sticky Hold abilities in your lead Pokemon.

Absolite can be used to Mega Evolve Absol. It can be found/obtained in the Safari Zone.

Garchompite can be used to Mega Evolve Garchomp. It can be found/obtained from Aarune after achieving the Platinum Rank.

Below is a list of useful Charms and Breeding items and what they do.
Destiny Knot:
Sea Mauville fan in Contest Hall (Master Rank) / Pick-up Ability (sometimes). Give it a high chance that 5 of the parents' IVs will be the same on the offspring.
Everstone:
Geodude (sometimes) / Bolder or Roggenrola (often). Passes the nature down to the offspring.
Oval Charm:
Birch Lab (Hoenn Dex complete). Increases the chance of Pokemon Eggs being found at the Day Care.
Shiny Charm:
Birch Lab (National Dex complete). Increase the chance of finding a Shiny Pokemon in the wild.

Metagrossite can be used to Mega Evolve Metagross. It can be found/obtained from Steven after defeating the Elite Four Rematch.

Tyranitarite can be used to Mega Evolve Tyranitar. It can be found/obtained in the Jagged Pass.

The following Pokemon are obtained during the game by specific people.
Beldium:
Mossdeep City, Steven's home after you complete the Delta Episode.
Camerupt:
The Battle Resort (Beach House on the right)
Castform:
Weather Institute, scientist will give it to you after Team Magma or Team Aqua are defeated.
Latios (Ruby) and Latias (Sapphire):
Southern Island, meet Steven on Route 118 to be take to the island.
Sharpedo:
The Battle Resort (Beach House on the right).
Togepi:
Lavaridge Town, defeat the Elite Four then get from the old lady near the hot springs.
Wynaut (Egg):
Lavaridge Town, old lady near the hot springs.

DexNav is a feature apart of the PokeNav Plus. You can use this feature to describe Pokemon poking out of tall grass. Some of these Pokemon have rare moves or their Hidden Abilities.

HM07 (Dive) can be obtained from Steven in Mossdeep City.

When you complete the following tasks in the Battle Maison you will earn the corresponding reward.
Starf Berry:
Win 200 straight battles of any type and speak with a girl in one of the cabins near the Maison.
Lansat Berry:
Win 100 straight battles of any type and speak with a girl in one of the cabins near the Maison.
Monuments:
You get one monument each for earning 50 straight wins in Super Single, Super Double, Super Triple, Super Multi, and Super Rotation Battles.

In order to get both the Acro and Mach Bike, you must first complete a couple of tasks:
1) Show the Mach Bike to the Hex Maniac on Route 111
2) Show the Acro Bike to the Bird Keeper on Route 119
3) Talk with the Athlete in the Battle Resort
After doing all of these, you will be able to obtain the other bike from Rydel's Cycles in Mauville City.