This app is a development environment for the scripting language Lua for Android. You can develop, run and manage Lua scripts. The Lua scripts are executed by the Lua Script Engine 5.4.1. Features: - code execution - syntax highlighting - line numbering - Input form - save/open file - http client (GET, POST, PUT, HEAD, OAUTH2, etc). - REST client - mqtt client (publish/subscribe) - OpenAI Prompt Engineering. - OpenAI chatbot example. - Develop and test OpenAI GPT-3 prompts with lua script. - JSON form designer for complex input handling Android specific functions: Open input form: x = app.inputForm(title) Open input form with a default value: x = app.inputForm(title, default) Show a pop up notification message: x = app.toast(message) HTTP request: statuscode, content = app.httprequest(request) OAuth2 support: Browser flow. Create JWT tokens(HS256) MQTT support: mqtt.connect(options) mqtt.onMqttMessage(onMessage) mqtt.subscribe(topic, qos) mqtt.publish(topic, payload, qos, retained) mqtt.disconnect() Many sample files are included.