Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
No need to convert the media files before playing it, GoodPlayer can play AVI, Xvid, DAT,VOB,FLV,WMV ,MKV,MP4,RM,RMVB,HTTP,HTTPS,FTP,RTSP,MMS,SFTP,SMB,MMSH,MMST,RTP,UPnP and UDP etc..
$2.99 · In-app purchases
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for GoodPlayer: map the core Entertainment workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Assumption to check: Limited video format support
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inconsistent playback performance
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of user-friendly settings
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No offline playback options
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
No need to convert the media files before playing it, GoodPlayer can play AVI, Xvid, DAT,VOB,FLV,WMV ,MKV,MP4,RM,RMVB,HTTP,HTTPS,FTP,RTSP,MMS,SFTP,SMB,MMSH,MMST,RTP,UPnP and UDP etc... files and streaming directly on iOS devices. Just transfer the media files to your iOS devices by iTunes File Sharing, then it can be played at once.With built-in browser, it is not just a local movie player , it is "Movie Player & Streaming Media Player" in fact. And,iPad 2/new iPad/iPhone 4S dual core CPU decoding is supported. "The Best Video Player for iPhone..." - Lifehacker.com "All-round best in class movie player with streaming" - TouchMyApps.com GoodPlayer in App Store Top 1 Listed: * France/Italia/Saudi Arabia Entertainment iPad Paid Top 1 * Italia/Croatia Entertainment iPad Grossing Top 1 * Lithuania/Niger/Saudi Arabia Entertainment iPhone Paid&Grossing Top 1 * Estonia/Sri Lanka Entertainment iPhone Grossing Top 1 Features: * Swipe fingers up/down on playing, to change the subtitle or turn off subtitle on the fly (for media files with subtitles) * Swipe fingers left/right on playing, to change the audio track on the fly (for media files with multiple audio tracks) * TV out/VGA out support , HDMI TV-out and Video Mirroring support( for iPad & iPhone 4 & iPod touch 4 only) * Universal, supports iPad, iPhone and iPod touch * srt,smi,"idx+sub",mkv embedded subtitle supported * Lots of subtitle language encoding supported * 24 bits true color, no color information missed * "Open In" feature supported: open video and audio files from Mail email attachments and Safari web browser * 3ga,3gp,aac,amr,ape,asf,asx,avi,cue,dat,dv,f4v,flac,flv,gsm,gxf,hlv,iso,m1v,m2p,m2t,m2ts,m2v,m3u,m4v,m4r,m4a,mka,mkv,mod,moov,mov,mp1,mp2,mp3,mp4,mpa,mpe,mpeg,mpeg1,mpeg2,mpeg4,mpg,mpv,mt2s,mts,mxf,oga,ogg,ogm,ogv,ps,qt,ram,rm,rmvb,tp,ts,vob,webm,wm,wma,wav,wmv,wtv file formats supported * Subtitle font, font size and font color customization * HTTP, FTP, RTSP,MMS,SMB,MMSH,MMST,RTP,HTTPS,SFTP and UDP streaming playback * goodplayer:// URL scheme * Auto repeat playback current file switch supported, the default is off. * Built-in file manager supported: move files from folder to folder inside of app,file,delete,file rename,folder creation,folder delete * Two full screen modes: "Crop on Fullscreen" and "Fit on Fullscreen" * Playlist support: every folder is a playlist. Just move the files to a folder, and set the "Settings"-->"Playback"---> "Auto Repeat" to "All Files Loop". During the playback, the files in the folder will be played back one by one automatically. * iPad 2/new iPad/iPhone 4S dual core decoding supported. Dual-core CPU could be used to decode at the same time. * Folder password protection * Left/Right/Stereo Audio Channel selection * HTTP/FTP WiFi file sharing * Blocker for iTunes Sync file backup * SMB/ CIFS/Samba browse/streaming supported * UPnP/WebDAV/SFTP supported * AirPlay supported Notice: no DTS audio support! AC-3 audio supported (iOS 9.3 or later needed) Contacts information: 1. Support site: http://hustmobile.com/goodplayer/ 2. Email: [email protected] Reviews from customers: "First of all I would like to congratulate you on making an excellent product! I have tested quite a few of the various play-all formats media players in the App store, but the picture quality, sharpness and depth of field of the GoodPlayer is so far the best video player. Much better than other players ... , to name but a few." - Richard "Media player replacement Works very well for its intended purpose. Love being able to watch stuff that I couldn't put on my iPhone before." - Goblu57
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.