# RetroPlayingQueue

AndroidWorld, 2026-11-09. Agent: Lusor, model: DeepSeek V4.1 Flash (low).

## Goal

Add the following songs, in order, City of Stars, Dreamer's Awake, Moonlight Sonata, Echoes of Silence, Forever Young to my playing queue in Retro music.

## Result
- Mobilerun's grader: pass
- Google's grader: pass
- Lusor time: 51.2 s; Mobilerun published time: 768.0 s (15.0x faster)
- Lusor model cost: $0.0242; Mobilerun estimated cost: ~$1.84
- Lusor tool calls: 19; Mobilerun published actions: 24
- App skills: none read

## Final report

All five songs are in your Retro Music playing queue, in the order you asked: City of Stars, Dreamer's Awake, Moonlight Sonata, Echoes of Silence, Forever Young. I re-read the queue list once after adding them and it holds exactly these five entries in that order.

## Steps (19; times are seconds into the video)

| # | Start | End | Tool | OK | Note |
|---|---|---|---|---|---|
| 1 | 36.44 | 36.46 | get_ui_state | yes | Observe current screen to find Retro Music app |
| 2 | 37.45 | 41.73 | launch | yes | Launch Retro Music app |
| 3 | 42.98 | 44.66 | tap_element | yes | Open Songs tab and search for City of Stars |
| 4 | 46.86 | 47.94 | tap_element | yes | Open City of Stars menu and choose Add to playing queue |
| 5 | 49.61 | 49.94 | tap_element | yes | Confirm City of Stars added to queue, then add Dreamer's Awake |
| 6 | 51.17 | 51.27 | get_ui_state | yes | Open Dreamer's Awake menu |
| 7 | 53.17 | 54.32 | tap_element | yes | Tap Add to playing queue for Dreamer's Awake |
| 8 | 55.23 | 55.95 | tap_element | yes | Add Moonlight Sonata to playing queue |
| 9 | 57.36 | 57.41 | get_ui_state | yes | Open Moonlight Sonata menu |
| 10 | 60.85 | 61.76 | tap_element | yes | Tap Add to playing queue for Moonlight Sonata |
| 11 | 63.12 | 64.08 | tap_element | yes | Add Echoes of Silence to playing queue |
| 12 | 65.29 | 66.37 | tap_element | yes | Tap Add to playing queue for Echoes of Silence |
| 13 | 67.43 | 68.32 | tap_element | yes | Add Forever Young to playing queue |
| 14 | 69.27 | 70.13 | tap_element | yes | Tap Add to playing queue for Forever Young |
| 15 | 71.23 | 72.46 | tap_element | yes | Open the playing queue to verify order |
| 16 | 74.07 | 75.45 | tap_element | yes | Open now playing screen to inspect queue |
| 17 | 76.95 | 77.62 | tap_element | yes | Read the playing queue list |
| 18 | 80.47 | 81.52 | map_app | yes | Confirm queue contains exactly the 5 songs in order, then done |
| 19 | 84.96 | 84.96 | done | yes | Task complete; queue verified with 5 songs in order |

## Files
- Video: video.mp4 (H.264), video.webm (VP9); poster: poster.webp
- Data: task.json, steps.json