The following are known CTRPF AR Cheat Codes for Yo-Kai Watch on Nintendo 3DS (3DS).

0004000000167700.txt

[Max Money (unglitched) V1.0]
08690118 000F423F

[Max Money (Glitched) V1.0]
08690118 3B9AC9FF

[Infinite stamina(hold b) V1.0]
DD000000 00000002
088502AC 3F800000
D0000000 00000000

[99x of all items you own V1.0]
5FFFA000 00000FE0
0FFFA000 00000000
D0000000 00000000
5FFFA000 FFFFFFFF
0FFFA000 00000000
D0000000 00000000
68690844 00000000
BFFFA000 00000000
28690840 00000063
D3000000 00000000
D9000000 0FFFA000
D4000000 00000010
D6000000 0FFFA000

[Infinite stamina V1.0]
088CAC0C 3F800000

[255 first yokai Max HP V1.0]
C0000000 000000FE
18682F98 000003E7
18682FBC 000003E7
DC000000 000000C4
D1000000 00000000

[255 first yokai techniques masterized V1.0]
C0000000 000000FE
28682F8A 0000000A
28682F8E 0000000A
28682F92 0000000A
DC000000 000000C4
D1000000 00000000

[255 first yokai max stats V1.0]
C0000000 000000FE
18682FBE 000003E7
18682FC0 000003E7
18682FC2 000003E7
18682FC4 000003E7
DC000000 000000C4
D1000000 00000000

[255 first yokai max strenght V1.0]
C0000000 000000FE
18682FBE 000003E7
DC000000 000000C4
D1000000 00000000

[255 first yokai max spirit V1.0]
C0000000 000000FE
18682FC0 000003E7
DC000000 000000C4
D1000000 00000000

[255 first yokai max defense V1.0]
C0000000 000000FE
18682FC2 000003E7
DC000000 000000C4
D1000000 00000000

[255 first yokai max speed V1.0]
C0000000 000000FE
18682FC4 000003E7
DC000000 000000C4
D1000000 00000000

[Every Item x50 V1.0]
5FFFA000 00000FE0
0FFFA000 00000000
D0000000 00000000
5FFFA000 FFFFFFFF
0FFFA000 00000000
D0000000 00000000
68690844 00000000
BFFFA000 00000000
28690840 00000032
D3000000 00000000
D9000000 0FFFA000
D4000000 00000010
D6000000 0FFFA000

[Infinite crank-a-kai (more coins than 3 a Day) V1.0]
D3000000 10000000
26B85ED4 0000007F
D3000000 10000000
26B879B4 0000007F

[Infinite crank-a-kai (more coins than 3 a Day) V1.0]
D3000000 10000000
26B85ED4 0000007F
D3000000 10000000
26B879B4 0000007F

[Infinite Crank-a-kai V1.0]
286931E0 00000000