Here are all of the codes I've hacked(I may find some more later). Add them to your DB 
If they've already been hacked, just ignore it.
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GBA
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Metroid Fusion(U) - ARV3
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Diffuse Missles always charged
E488B8DF 1B41ED80
Shine Spark Always Charged On/Off (Select/L+Select)
2383107C C390F007
87C14B1F 5F246A33
97687214 32EF24DE
9FD85698 18CE096D
E453B49A 8A3CB91F
9F22D015 83D3E373
54E4E272 A5D6A901
Instant Boost
2D95A4A2 DCCCB5AA
Morph Ball Bombs Explode Instantly
74B0E471 20E88725
Powerbombs Explode Instantly
BAD602F9 EB1838C3
Last Samus Clone Energy mod (unencrypted)
0300018C 000000XX
Samus mutation energy mod (unencrypted)
03007D44 XXXXXXXX
Omega Metroid Dies instantly
0187F4C6 3B9E24FB
Moon Jump
C963A98F BB7EFD4A
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Mario And Luigi: Superstar Saga(U) - ARV3
--------
Press L+B to fly very high.
A1F990DD 8CA06BC2
76BA26E7 F5AF492A
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Snood(U) - ARV3
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Infinite Lives
FDDE4761 F2C328D3
Rows Never go down
0CBD3D83 74B56F58
Rapid Firing
029F2268 6D62636E
Press Select(and hold) to increase score(fast)
BEDA9335 5EA8CD57
084B5190 6E866BA7
Press B+L to make your snood a color changing snood
9E5DDEA 341FBBF5
6CC6C5F4 ED94EE4B
Press Select+L to make your snood a bomb
FA743FD5 2500FBF1
B8FE07C0 A8217D2C
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Super Collapse 2(U) - ARV3
--------
Press R to stop row from advancing(also stops time in bonus)
1F71A870 C738C8C6
77E83C1A BE6CEA8C
Press select to advance rows really fast
07F6A163 35E84079
D4E16F05 9EA178A1
07F6A163 35E84079
A10DC9D3 D60E01B4
Never lose(Note 1)
DEDAE0E6 EEACE910
8FA813E8 8D92F284
7001A01C 451D3048
D7F3A507 4EEEC272
9DFCA254 75515357
D07B68BB 44C6DA39
239CED12 DD34B284
8D49AE8A 4A183917
EFC1202F 3DE39A21
6FC5DF05 E3939F9C
765F622F FC47D1C9
Note 1: this clears the top row, so it will cause problems in puzzle mode.
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Wario Ware: Twisted
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Master Code
F3D8880B A0D76AE0
6A82E33B 612FA858
Press AR button to be on level 153
C43E7749 1F6C16B0
306EEB93 4A131051
Infinite Lives
BC8605D8 78C8B636
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Super Mario Advance 4: Super Mario Brothers 3 v.1.1
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Infinite Star Power
2A9A343D 3AA88B96
Always have P-Wing
50841710 2EB2026E
Slow Moon Jump(L)
977E889A F2ECEDD4
C3F29C4F 1FC5200A
Fast Moon Jump(L)
977E889A F2ECEDD4
B8BE07A6 C3AC1EBA
Press R to hover
FDEC83E2 3D9E6315
D53C2CF3 0632CC55
Infinite time
D23B1EF3 FCE7A14B
Press L + R + up to go 'behind' stuff
B5CEA416 06BC7179
B5FD7486 E1FCD604
4D5505BD EF0EFBED
D1B3B86B 2A0FEC86
Music Speed Mod
030021E8:000000??
00 Off(slower)
FF Fast(Really fast)
Infinite lives
9C2A0236 CF8CC4BE
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Sonic Advance(Combo Pack)
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Infinite Tries on Memory Game
6EBF4B8A A61BA22E
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Super Mario Advance 2: Super Mario World
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P switch on/off (L+R+up/L+R+Down)
C342E8DA 52CD5B20
DFB32F89 820AC933
0D4249EE 399DA588
A5D2468A 987C2FE1
E19B4634 5795F8EF
F5BDB4E7 CFF879A9
0F79773B C8A5F9ED
--------
======
DS
======
Action Replay DS
Yoshi Touch And Go
Game ID- AYIE 54cc9391
999 Balloons
02335910 000003e7
Infinite Eggs
22335938 000000FF
22351840 000000FF
Press any button to give you 3 balloons
620f6490 00000000
22336cb0 00000003
d0000000 00000000
9999 yards
123359B8 0000270F
--------

If they've already been hacked, just ignore it.
======
GBA
======
Metroid Fusion(U) - ARV3
--------
Diffuse Missles always charged
E488B8DF 1B41ED80
Shine Spark Always Charged On/Off (Select/L+Select)
2383107C C390F007
87C14B1F 5F246A33
97687214 32EF24DE
9FD85698 18CE096D
E453B49A 8A3CB91F
9F22D015 83D3E373
54E4E272 A5D6A901
Instant Boost
2D95A4A2 DCCCB5AA
Morph Ball Bombs Explode Instantly
74B0E471 20E88725
Powerbombs Explode Instantly
BAD602F9 EB1838C3
Last Samus Clone Energy mod (unencrypted)
0300018C 000000XX
Samus mutation energy mod (unencrypted)
03007D44 XXXXXXXX
Omega Metroid Dies instantly
0187F4C6 3B9E24FB
Moon Jump
C963A98F BB7EFD4A
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Mario And Luigi: Superstar Saga(U) - ARV3
--------
Press L+B to fly very high.
A1F990DD 8CA06BC2
76BA26E7 F5AF492A
--------
Snood(U) - ARV3
--------
Infinite Lives
FDDE4761 F2C328D3
Rows Never go down
0CBD3D83 74B56F58
Rapid Firing
029F2268 6D62636E
Press Select(and hold) to increase score(fast)
BEDA9335 5EA8CD57
084B5190 6E866BA7
Press B+L to make your snood a color changing snood
9E5DDEA 341FBBF5
6CC6C5F4 ED94EE4B
Press Select+L to make your snood a bomb
FA743FD5 2500FBF1
B8FE07C0 A8217D2C
--------
Super Collapse 2(U) - ARV3
--------
Press R to stop row from advancing(also stops time in bonus)
1F71A870 C738C8C6
77E83C1A BE6CEA8C
Press select to advance rows really fast
07F6A163 35E84079
D4E16F05 9EA178A1
07F6A163 35E84079
A10DC9D3 D60E01B4
Never lose(Note 1)
DEDAE0E6 EEACE910
8FA813E8 8D92F284
7001A01C 451D3048
D7F3A507 4EEEC272
9DFCA254 75515357
D07B68BB 44C6DA39
239CED12 DD34B284
8D49AE8A 4A183917
EFC1202F 3DE39A21
6FC5DF05 E3939F9C
765F622F FC47D1C9
Note 1: this clears the top row, so it will cause problems in puzzle mode.
--------
Wario Ware: Twisted
--------
Master Code
F3D8880B A0D76AE0
6A82E33B 612FA858
Press AR button to be on level 153
C43E7749 1F6C16B0
306EEB93 4A131051
Infinite Lives
BC8605D8 78C8B636
--------
Super Mario Advance 4: Super Mario Brothers 3 v.1.1
-------
Infinite Star Power
2A9A343D 3AA88B96
Always have P-Wing
50841710 2EB2026E
Slow Moon Jump(L)
977E889A F2ECEDD4
C3F29C4F 1FC5200A
Fast Moon Jump(L)
977E889A F2ECEDD4
B8BE07A6 C3AC1EBA
Press R to hover
FDEC83E2 3D9E6315
D53C2CF3 0632CC55
Infinite time
D23B1EF3 FCE7A14B
Press L + R + up to go 'behind' stuff
B5CEA416 06BC7179
B5FD7486 E1FCD604
4D5505BD EF0EFBED
D1B3B86B 2A0FEC86
Music Speed Mod
030021E8:000000??
00 Off(slower)
FF Fast(Really fast)
Infinite lives
9C2A0236 CF8CC4BE
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Sonic Advance(Combo Pack)
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Infinite Tries on Memory Game
6EBF4B8A A61BA22E
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Super Mario Advance 2: Super Mario World
--------
P switch on/off (L+R+up/L+R+Down)
C342E8DA 52CD5B20
DFB32F89 820AC933
0D4249EE 399DA588
A5D2468A 987C2FE1
E19B4634 5795F8EF
F5BDB4E7 CFF879A9
0F79773B C8A5F9ED
--------
======
DS
======
Action Replay DS
Yoshi Touch And Go
Game ID- AYIE 54cc9391
999 Balloons
02335910 000003e7
Infinite Eggs
22335938 000000FF
22351840 000000FF
Press any button to give you 3 balloons
620f6490 00000000
22336cb0 00000003
d0000000 00000000
9999 yards
123359B8 0000270F
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