Make photos of your friends and celebrities talk! Just choose a picture, record your voice, and the photo will repeat whatever you say.免費玩Face Puppets …
Practice writing chemical equations using Reaction Whiz. The app includes 13 categories of reactions, including combustion, double replacement, and de …
An easy way for beginners to master ear training for music. The app lets users practice both perfect pitch, the ability to identify a note by ear, as …