Postman's Affair description
The baggage which can not fly is just a baggage.
Recommended devices:
Galaxy Tab (SC-01C)
Sony Tablet S
ICONIA Tab (A500)
Nexus 7
Galaxy Nexus (SC-04D)
Moto G5 (XT1676)
Web version for PC / iOS / Android:
Material list:
https://sorakomi.com/soft/game/yubin_oshigoto/main.html