What are some alternatives?
When comparing Kika Keyboard and On-Screen Keyboard Portable, you can also consider the following products
AnySoftKeyboard - Android (f/w 1.5+) on-screen keyboard for multiple languages.
Microsoft On-Screen Keyboard - On-Screen Keyboard is a utility that displays a virtual keyboard on the screen and allows users...
Multiling O Keyboard - Super lightweight (~ 1/3 MB) yet flexible and powerful soft keyboard.
Onboard on-screen keyboard - An onscreen keyboard useful for tablet PC users and for mobility impaired users.
Gboard - Google-powered keyboard with search, GIFs, emojis and more!
Swiftkey - SwiftKey keyboard allows for seamless typing and adapts to the way you type, so you can spend less time correcting typos and more time saying what you mean.