File list (Check if you may need any files):
Simple DX-Ball
..............\.DS_Store
..............\ball.png
..............\board.PNG
..............\BoardView.h
..............\BoardView.m
..............\brick.png
..............\Brick_move.caf
..............\build
..............\.....\Day30.build
..............\.....\...........\Day30.pbxindex
..............\.....\...........\..............\categories.pbxbtree
..............\.....\...........\..............\cdecls.pbxbtree
..............\.....\...........\..............\decls.pbxbtree
..............\.....\...........\..............\files.pbxbtree
..............\.....\...........\..............\imports.pbxbtree
..............\.....\...........\..............\pbxindex.header
..............\.....\...........\..............\protocols.pbxbtree
..............\.....\...........\..............\refs.pbxbtree
..............\.....\...........\..............\strings.pbxstrings
..............\.....\...........\..............\..................\control
..............\.....\...........\..............\..................\strings
..............\.....\...........\..............\subclasses.pbxbtree
..............\.....\...........\..............\symbols0.pbxsymbols
..............\.....\...........\Debug-iphonesimulator
..............\.....\...........\.....................\Day30.build
..............\.....\...........\.....................\...........\build-state.dat
..............\.....\...........\.....................\...........\build-state~.dat
..............\.....\...........\.....................\...........\Day30-all-target-headers.hmap
..............\.....\...........\.....................\...........\Day30-generated-files.hmap
..............\.....\...........\.....................\...........\Day30-own-target-headers.hmap
..............\.....\...........\.....................\...........\Day30-project-headers.hmap
..............\.....\...........\.....................\...........\Day30.dep
..............\.....\...........\.....................\...........\Day30.hmap
..............\.....\...........\.....................\...........\Day30~.dep
..............\.....\...........\.....................\...........\Objects-normal
..............\.....\...........\.....................\...........\..............\i386
..............\.....\...........\.....................\...........\..............\....\BoardView.o
..............\.....\...........\.....................\...........\..............\....\Day30.LinkFileList
..............\.....\...........\.....................\...........\..............\....\Day30AppDelegate.o
..............\.....\...........\.....................\...........\..............\....\FlipsideViewController.o
..............\.....\...........\.....................\...........\..............\....\main.o
..............\.....\...........\.....................\...........\..............\....\MainViewController.o
..............\.....\Debug-iphonesimulator
..............\.....\.....................\Day30.app
..............\.....\.....................\Day30.app.dSYM
..............\.....\.....................\..............\Contents
..............\.....\.....................\..............\........\Info.plist
..............\.....\.....................\..............\........\Resources
..............\.....\.....................\..............\........\.........\DWARF
..............\.....\.....................\..............\........\.........\.....\Day30
..............\.....\.....................\.........\ball.png
..............\.....\.....................\.........\board.PNG
..............\.....\.....................\.........\brick.png
..............\.....\.....................\.........\Brick_move.caf
..............\.....\.....................\.........\Button_press.caf
..............\.....\.....................\.........\Day30
..............\.....\.....................\.........\FlipsideView.nib
..............\.....\.....................\.........\icon.png
..............\.....\.....................\.........\Info.plist
..............\.....\.....................\.........\Kick.caf
..............\.....\.............