The following are known CTRPF AR Cheat Codes for Castlevania on Nintendo 3DS (3DS).

0004000000015400.txt

[Instant Kill]
0884C132 00000085

[99 Lives]
0884C11A 00000063

[99x Hearts]
0884C161 00000063

[Freeze Energy and Timer]
0884C131 00030000