Part 1 of how you can modify Remy Sharp’s Twitterwall app to run from Google Drive/Apps Script
Very basic Google Sheet template to let you draft tweets which are published to Twitter when you click a link.
The TwtrService library for Google Apps Script centrally stores your Twitter access details allowing them to accessed from multiple script projects without the need for re-authentication. This post outline usage of the library.
A soon as you download your Twitter Archive it immediately becomes stale. To save having to request fresh copies this post shows you how you can not only keep your archive fresh on Google Drive but also share it to the world.