That's NINJA [Japanese ver.]

not yet rated

s.aki

Secret agent in Japan, called 'NINJA'! Swift, strange and cool! There are English version, too.

US$0.99

source

Related

Mr.Fujimaru and Momokichi

Everyday NINJA

various face

8-bit QUEST

Goat Girl Stickers - English

NINJA life

ghost storys (Wisps)

Lily&Friends

novice ninja Nin

NINJA benimaru