價格：免費
更新日期：2019-03-05
檔案大小：因裝置而異
目前版本：1.2.3
版本需求：Android 5.0 以上版本
官方網站：http://www.onlinetennisinstruction.com
Email：oti_support@mdgtechnology.com
聯絡地址：MDG Technology AB c/o: Mikael De Geer Fregattvägen 15, lgh 1903 181 37 Lidingö Sweden
The OTI app allows you to view your courses online or to download them for offline viewing. You can also easily record a video of your stroke and send it to us with just a few clicks! Simply start recording your video with a button and then click on send when you are done.
