kkkangi, It appears the language for the Vtech Move and Crawl Ball comes preloaded and is not changeable by consumer. Link to English manual below. Good luck. I hope this helped you out, if so let me know by pressing the helpful button.
https://www.vtechkids.com/assets/data/products/%7BE73936FA-E244-4D00-807D-5155ACD652C2%7D/manuals/061330_Move&CrawlBallPinkProductManual_02.22.12_FINAL.pdf