The following are known CTRPF AR Cheat Codes for Mario & Sonic at Rio Olympics on Nintendo 3DS (3DS).

000400000014A400.txt

[Max apples coin1]
108615D8 0000C350
 
[Max melons coin2]
208615DA 000000FF
 
[Max Level]
2086161C 0000000A
 
[Unlock All Suits]
008612C0 11111111
 
[Unlock All Gears]
008615B8 FFFFFFFF
008615BC FFFFFFFF
008615C0 FFFFFFFF
008615C4 FFFFFFFF
008615C8 FFFFFFFF
008615CC FFFFFFFF
008615D0 FFFFFFFF
008615D4 FFFFFFFF
 
[Unlock All Characters in Quick Games]
00860F78 FFFFFFFF
00860F7C FFFFFFFF
 
[Unlock items in Info]
008615EC FFFFFFFF