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Defender of the Crown. https://lh4.ggpht.com/VVZuRtpxSvwvQJwJUL57uXAsMsXTOvNpJ41MtqNjOdN8V1gzAxSmCxyMvdFa81ZQGH4=h900
https://play.google.com/store/apps/details?id=com.reptilia.defendercrown (the above image is around the 8th or so image if you scroll through)