[jimturner-adfa]

ADFA-6567

Gives the three Fun and Games (jME) templates their own artwork wherever an icon shows. Before this, every template used the same blue square:

• New Project screen: template/thumb.png, 512×512 RGBA on a transparent background, matching Flutter-Starter-Kit.
• The generated app's icon: ic_launcher.png. It shows on the home screen, in Recents, and in the "Install this app?" and Play Protect prompts. All four mipmap densities used to be the same 48×48 blue square; they're now the template's art at 48/72/96/144, plus a new mipmap-xxxhdpi at 192.
• The Play Store listing: a new app/src/main/ic_launcher-playstore.png at 512×512, following Android Studio's Image Asset convention.

Template	Source art	Processing
demo	round, on opaque white corners	Circle mask, anti-aliased with a 2 px inset, so no white fringe shows on dark themes
bubblewand	square	Resized
blockgame	transparent circle, 500 px	Centred on the 512 canvas, not upscaled

The launcher and Play Store icons are made from the 512 px thumbnail. The same files go into Fun-and-Games-LibGDX through #132 (fabba56, e07b70e), so each game has one icon whichever library it uses.

Commits: 3468c79 adds the thumbnails, f1aff6c the launcher and Play Store icons.

Verification

• addons check: 0 problems. It ran from tools/addons/src on the system Python, not via uv.
• Built the .cgt, which downloads the template libraries from Maven Central. It contains all 18 icon files, and each thumb.png matches the commit byte for byte. Note that build-cgt.sh packages only files git tracks, so a new icon must be committed or staged before it ships.
• On device (Galaxy Tab SM-X238U, CoGo debug build):
  • New Project screen: all six Fun and Games templates (jME and libGDX) show their own art under the right label.
  • New project: one created from the updated bundle has the new ic_launcher.png in all five densities, plus ic_launcher-playstore.png, matching the branch byte for byte.
  • Projects created before the update keep the blue square. A project copies its icons when it's created, so existing projects and installed apps don't change.
• Not shown on screen: the newly built app's install prompt, home-screen icon and Recents entry. The tablet was in use at the same time, so that run didn't finish. These all read android:icon="@mipmap/ic_launcher", and no template overrides it with an activity icon or setTaskDescription.

Left alone

• bubblewand/template/icon.png is a 1×1 stub that nothing reads.
• The bundle's gallery icons, icon_day.png and icon_night.png.

🤖 Generated with Claude Code