Simeji

Simeji is a free Japanese input keyboard with over 39M downloads. It features a skinnable keyboard with wallpaper themes, a rich collection of emoticons and emoji, and easy typing for LINE, Twitter, and Facebook. Its cloud-based dictionary has 2M entries, plus preset phrases for Nico Nico and in-game chats, and features like Fun conversion and Everyone's Dictionary for sharing cute emoticons.

VIP plans include monthly and yearly options with exclusive themes, unlimited keyboard customization, VIP phrases, backup of user dictionaries, OCR for text capture, and ad removal. It also provides VIP-only features on certain devices and includes clear renewal terms and support information.