About Solution 9420 and 9420TKB

Solution 9420 is an independent software developer who focuses on building applications for the Android devices. The product, 9420TKB, is the highly-regarded as one of the best Android Thai keyboard programs. 9420TKB was originally developed to support Thai language which later on, by requests from worldwide users, grows into international market supports on-the-fly language switching between English and Thai. Solution 9420 will continue to produce Android applications for future to come.

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