A free program for Android, by Photo Collage Maker.

Happy Birthday Photo Effect Video Animation Maker is an app that lets you turn your photos and videos into beautiful animated GIFs. Simply select the photos or videos you want to animate, choose an effect, set a timer and watch your GIFs come to life! You can choose from dozens of beautiful themes, such as birthday, Christmas, Halloween, valentine’s day, and many more.

With dozens of beautiful themes and thousands of unique effects, you can make your GIFs look just like you want them to. And you can make as many GIFs as you want! You can trim them, add music, set the animation speed, and even add text.