having a prob installing this app pls see xterm log

BusyBox v1.10.2 (Debian 3:1.10.2.legal-1osso30+0m5) built-in shell (ash)
Enter 'help' for a list of built-in commands.

~ $ sudo gainroot
Root shell enabled


BusyBox v1.10.2 (Debian 3:1.10.2.legal-1osso30+0m5) built-in shell (ash)
Enter 'help' for a list of built-in commands.

/home/user # apt-get install qtwrt
Reading package lists... Done
Building dependency tree
Reading state information... Done
qtwrt is already the newest version.
You might want to run `apt-get -f install' to correct these:
The following packages have unmet dependencies:
libwrt-api1: Depends: libwrt1 (= 1.1.0) but it is not going to be installed
qtwrt: Depends: wrt (= 1.1.0) but it is not going to be installed
Depends: wrt-api (= 1.1.0) but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
/home/user # apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following extra packages will be installed:
libwrt1 wrt wrt-api wrt-policy
The following NEW packages will be installed:
libwrt1 wrt wrt-api wrt-policy
0 upgraded, 4 newly installed, 0 to remove and 4 not upgraded.
2 not fully installed or removed.
Need to get 0B/859kB of archives.
After this operation, 3244kB of additional disk space will be used.
Do you want to continue [Y/n]? y
(Reading database ... 33573 files and directories currently installed.)
Unpacking libwrt1 (from .../libwrt1_1.1.0_armel.deb) ...
dpkg: error processing /var/cache/apt/archives/libwrt1_1.1.0_armel.deb (--unpack):
trying to overwrite `/usr/lib/libWrtRuntimeCore.so.1.1.0', which is also in package libwrt-experimental1
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Unpacking wrt-policy (from .../wrt-policy_1.0-1_all.deb) ...
dpkg: error processing /var/cache/apt/archives/wrt-policy_1.0-1_all.deb (--unpack):
trying to overwrite `/etc/wrt/security/mapping.xml', which is also in package wrt-experimental
Unpacking wrt (from .../archives/wrt_1.1.0_armel.deb) ...
dpkg: error processing /var/cache/apt/archives/wrt_1.1.0_armel.deb (--unpack):
trying to overwrite `/usr/bin/webappregisterer', which is also in package wrt-experimental
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Unknown media type in type 'sketch/png'

Unpacking wrt-api (from .../wrt-api_1.1.0_armel.deb) ...
dpkg: error processing /var/cache/apt/archives/wrt-api_1.1.0_armel.deb (--unpack):
trying to overwrite `/etc/wrt/api/wrtapicommlog.xml', which is also in package wrt-api-experimental
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Error: cannot unregister service wrt.device.calendar
Error: cannot unregister service wrt.device.camera
Error: cannot unregister service wrt.device.commlog
Error: cannot unregister service wrt.device.contacts
Error: cannot unregister service wrt.device.filesystem
Error: cannot unregister service wrt.device.geolocation
Error: cannot unregister service wrt.device.media
Error: cannot unregister service wrt.device.messaging
Error: cannot unregister service wrt.device.sensors
Error: cannot unregister service wrt.device.sysinfo
Error: cannot unregister service wrt.device.telephony
Errors were encountered while processing:
/var/cache/apt/archives/libwrt1_1.1.0_armel.deb
/var/cache/apt/archives/wrt-policy_1.0-1_all.deb
/var/cache/apt/archives/wrt_1.1.0_armel.deb
/var/cache/apt/archives/wrt-api_1.1.0_armel.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
/home/user #

have downloaded link as well andy help pls