Design

Icons

• Rounded corners and strokes seem much better to me, and they're employed to beautiful effect in Slack and Evernote's Android apps!
• The Noun Project

Current launcher icon:

• Original: https://thenounproject.com/term/feather/31094
• App icon: https://dl.dropboxusercontent.com/u/3037831/spectre-launcher-icon-quill.zip

Typography

Typefaces

• Open Sans
• Lato
• Source Sans / Serif / Code Pro
• Fira Sans
• Oswald for compact text / headings?
• PT Serif

Imagery

• High-res photo as background on login screen (match dominant color to launcher / primary icon?)
• http://unsplash.com
  • Generic book / diary: https://unsplash.com/photos/NsWcRlBT_74
  • Coffee: https://unsplash.com/photos/k0SwnevO_wk
  • Buddha (portrait): https://unsplash.com/photos/mf72xnU6Fz0
  • Milky Way (portrait): https://unsplash.com/photos/TIrXot28Znc
  • Floating house: https://unsplash.com/photos/uoSEDUu8F-I
  • Golden Gate (portrait): https://unsplash.com/photos/6asyCyR0K1Q
  • Typewriter (portrait): https://unsplash.com/photos/mk7D-4UCfmg
  • Man in ocean (portrait): https://unsplash.com/photos/_LLcIlMoUaE (current)
  • Lighthouse (portrait): https://unsplash.com/photos/Pn6iimgM-wo
  • Milky Way and lake (portrait): https://unsplash.com/photos/2KXEb_8G5vo
  • Still lake (portrait): https://unsplash.com/photos/lpjb_UMOyx8

Animations

• https://medium.com/@BashaChris/overhauling-the-twitter-experience-on-android-80f5b09e7c67
• Speed up animations after a while: https://github.com/blundell/QuickSand
• Play Newsstand-like card appear effect

Inspiration

• Slack
• Evernote
• SeriesGuide
• Twitter (that profile page!)
• General: http://www.materialup.com/, http://pttrns.com, http://inspired-ui.com