Kosuke Endo

Rated 5.00(1) — Kosuke Endo

First Impression is an application that enable you to quickly check if your idea will be accepted by end users.You can check end user's opinion as A/B test with easily and for free. You need not to have user test with complicated preparation and expensive

Rated 5.00(1) — Kosuke Endo

'flappy' is a free app that lets you communicate with your friend with no stress.If you use this app, you will be free from stres that you feel "No response from my friend thought he/she already read my message!" Main feature for 'flappy'[Free for downloa