Jan Willem Vermeer

AppTrack Ninja の App Store パブリッシャー。

ポートフォリオ：

• Game Tennis en Padel Academy
• TPS Tennis
• Tennis & Padelpark De Oude Eik
• All In Tennis
• Vitasports tennis en padel
• RS Padel Academy
• TEAM TP
• Van Hal Tennis
• Groene Hart Tennis
• T-Line Fitness
• Sports Team Tennis
• TenTwenty