The gray buttons are Android Apps, the purple buttons are IPad Apps.
学前必备600字系列 Happy Reading 600 characters Series
宝宝巴士 Baby Bus
The Baby Bus apps would change into Chinese with voice if you change you tablet's language and input into 中文Chinese.
宝宝拼图 Kid's Puzzle
Select 中文 language， the apps would have Chinese characters and voices.