Of course it will :)
According to vgcharts 3DS has 40M sellers and PSP 56
So for me the games that will reach a million:
41) Fantasy Life
42) Sonic Generations
43)Pilotwing Resort
These three have great legs :)
44)Yokai Watch 3
45)Yokai Watch 3 (the third game)
46)Yokai Watch Busters Moon Rabbit Team
47) Yokai Three Kingdoms
48)Pokemon Z
49)Monster Hunter X
50)Monster Hunter Stories
51)Mario & Luigi Paper Jam Bros
52)Hyrule Warrios Legends
53)Fire Emblem Fates
54)Zelda TriForce Heroes
55)Dragon Quest XI
56)Dragon Quest VII (if it is released worlwide)
57)Dragon Quest VIII (if it is released worlwide)
58)Bravely Second
59)Pokemon Super Mistery Dungeon
60)Mario & Sonic at theRio 2016 Olympic Games
61)Metroid Prime Federation Force
62)Dragon Quest Monsters Joker 3
63)Final Fantasy Explorers
I´m not saying that all of these games will reach the million mark, but all of them has a chance :)