On a reboot, is your custom keyboard not being remembered as your default keyboard? This application fixes this problem in a roundabout way. After you reboot and launch your first application, you'll see the dialog that lets you choose which keyboard you'd like to keep for the duration of the boot. Once you reboot, it'll ask you again.
Download the installation package of Keyboard Picker 1.2 for free and have a look at users' reviews on Droid Informer. The app can be launched on Android devices 4.0 and above. The download of this application is safe and secure. Jumpsquares developed the tool that falls into the Productivity category.
The most recent update of Keyboard Picker was released on Aug 28, 2013 and the app has been set up by over 0,5K users. This application was rated 2.7 on Google Play.