RADIANCE Team have released the Kotlin integration examples for TON-SDK: ton-client-kotlin. It is based on Java-library, because of both JVM nature and no need to copy-pasting anything more.
Please find how easy you can use Free TON on Kotlin projects. Latest SDK support, tests coverage and examples, enjoy!
Contributor and maintainer: Romeo @romdisc
Thanks him for his patience and good will, thanks Michael @Melsomino and Ekaterina @EkaterinaPantaz for useful help @TON_SDK channel!
Please, use it in apps or enhance further. You are welcome for feedback and comments in our support telegram chat: https://t.me/RADIANCE_TON_SDK