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Dr. André Zenner
A Tennis enthusiast with a PhD in computer science who wondered how fast his serves are.
The result: the Tennis Serve Speed Tracker app!
Tennis Serve Speed Tracker
Dr. André Zenner
Ukuthenga ngaphakathi nohlelo
Landelela isivinini nokunemba kwezinsiza zakho zeTennis
1K+
Okudawunilodiwe
I-PEGI engu-3
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Landelela isivinini nokunemba kwezinsiza zakho zeTennis
Okuningi ngo-Dr. André Zenner
Tennis Serve Speed Tracker
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