A small Javascript software who retrieve data from Riot API to generate a pregame picture (Username, Champion, Summoners, and Perks {Runes]...) and a postgame picture on a game (Team win, stats, damage graph, gold graph...).
Works (but still under development)
Download the lastest release and install it
You will need a API Key given by Riot Devs website (https://developer.riotgames.com/) when you create a account
Then enter a username or a match id, and it will generate the 2 pictures !
For launching the software, you will need to type : "npm start" in the directory
Draft & Ranked Game pregame picture example :
Custom game pregame picture if there is 10 players in the game example :